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NCERT Solutions for Class 12 Maths Chapter 6 Application of Derivatives are comprehensively discussed here. These NCERT solutions are created by expert team at Careers360 keeping in mind of latest syllabus of CBSE 2023-24. In the previous chapter, you have already learnt the differentiation of inverse trigonometric functions, exponential functions, logarithmic functions, composite functions, implicit functions, etc. In this article you will get NCERT Class 12 maths solutions chapter 6 with in depth explanation that will help you in understanding application of derivatives class 12.
In class 12 chapter 6 questions are based on the topics like finding the rate of change of quantities, equations of tangent, and normal on a curve at a point are covered in the application of derivatives class 12 NCERT solutions. Also, check NCERT solutions for class 12 other subjects.
Also read:
>> Definition of Derivatives: Derivatives measure the rate of change of quantities.
Rate of Change of a Quantity:
The derivative is used to find the rate of change of one quantity concerning another. For a function y = f(x), the average rate of change in the interval [a, a+h] is:
(f(a + h) - f(a)) / h
Approximation:
Derivatives help in finding approximate values of functions. The linear approximation method, proposed by Newton, involves finding the equation of the tangent line.
Linear approximation equation: L(x) = f(a) + f'(a)(x - a)
Tangents and Normals:
A tangent to a curve touches it at a single point and has a slope equal to the derivative at that point.
Slope of tangent (m) = f'(x)
The equation of the tangent line is found using: m = (y2 - y1) / (x2 - x1)
The normal to a curve is perpendicular to the tangent.
The slope of normal (n) = -1 / f'(x)
The equation of the normal line is found using: -1 / m = (y2 - y1) / (x2 - x1)
Maxima, Minima, and Point of Inflection:
Maxima and minima are peaks and valleys of a curve. The point of inflection marks a change in the curve's nature (convex to concave or vice versa).
To find maxima, minima, and points of inflection, use the first derivative test:
Find f'(c) = 0.
Check the sign change of f'(x) on the interval.
Maxima when f'(x) changes from +ve to -ve, f(c) is the maximum.
Minima when f'(x) changes from -ve to +ve, f(c) is the minimum.
Point of inflection when the sign of f'(x) doesn't change.
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Increasing and Decreasing Functions:
An increasing function tends to reach the upper corner of the x-y plane, while a decreasing function tends to reach the lower corner.
For a differentiable function f(x) in the interval (a, b):
If f(x1) ≤ f(x2) when x1 < x2, it's increasing.
If f(x1) < f(x2) when x1 < x2, it's strictly increasing.
If f(x1) ≥ f(x2) when x1 < x2, it's decreasing.
If f(x1) > f(x2) when x1 < x2, it's strictly decreasing.
Free download Class 12 Maths Chapter 6 Question Answer for CBSE Exam.
NCERT class 12 maths chapter 6 question answer: Exercise - 6.1
Question:1 a) Find the rate of change of the area of a circle with respect to its radius r when
r = 3 cm
Answer:
Area of the circle (A) =
Rate of change of the area of a circle with respect to its radius r =
So, when r = 3, Rate of change of the area of a circle =
Hence, Rate of change of the area of a circle with respect to its radius r when r = 3 is
Question:1 b) Find the rate of change of the area of a circle with respect to its radius r when
r = 4 cm
Answer:
Area of the circle (A) =
Rate of change of the area of a circle with respect to its radius r =
So, when r = 4, Rate of change of the area of a circle =
Hence, Rate of change of the area of a circle with respect to its radius r when r = 4 is
Answer:
The volume of the cube(V) =
It is given that the volume of a cube is increasing at the rate of
we can write
Now, we know that the surface area of the cube(A) is
from equation (i) we know that
put this value in equation (i)
We get,
It is given in the question that the value of edge length(x) = 12cm
So,
Answer:
Radius of a circle is increasing uniformly at the rate
Area of circle(A) =
It is given that the value of r = 10 cm
So,
Hence, the rate at which the area of the circle is increasing when the radius is 10 cm is
Answer:
It is given that the rate at which edge of cube increase
The volume of cube =
It is given that the value of x is 10 cm
So,
Hence, the rate at which the volume of the cube increasing when the edge is 10 cm long is
Answer:
Given =
To find =
Area of the circle (A) =
Hence, the rate at which the area increases when the radius of the circular wave is 8 cm is
Answer:
Given =
To find =
Solution :-
we know that the circumference of the circle (C) =
Hence, the rate of increase of its circumference is
Answer:
Given = Length x of a rectangle is decreasing at the rate
the width y is increasing at the rate
To find =
Solution:-
Perimeter of rectangle(P) = 2(x+y)
Hence, Perimeter decreases at the rate of
Question:7(b) The length x of a rectangle is decreasing at the rate of 5 cm/minute and the width y is increasing at the rate of 4 cm/minute. When x = 8cm and y = 6cm, find the rates of change of the area of the rectangle.
Answer:
Given same as previous question
Solution:-
Area of rectangle = xy
Hence, the rate of change of area is
Answer:
Given =
To find =
Solution:-
Volume of sphere(V) =
Hence, the rate at which the radius of the balloon increases when the radius is 15 cm is
Answer:
We need to find the value of
The volume of the sphere (V) =
Hence, the rate at which its volume is increasing with the radius when the later is 10 cm is
Answer:
Let h be the height of the ladder and x be the distance of the foot of the ladder from the wall
It is given that
We need to find the rate at which the height of the ladder decreases
length of ladder(L) = 5m and x = 4m (given)
By Pythagoras theorem, we can say that
Differentiate on both sides w.r.t. t
at x = 4
Hence, the rate at which the height of ladder decreases is
Answer:
We need to find the point at which
Given the equation of curve =
Differentiate both sides w.r.t. t
when x = 4 , and
when x = -4 , So , the coordinates are
Answer:
It is given that
We know that the shape of the air bubble is spherical
So, volume(V) =
Hence, the rate of change in volume is
Answer:
Volume of sphere(V) =
Diameter =
So, radius(r) =
Answer:
Given =
To find =
Solution:-
Volume of cone(V) =
Question:15 The total cost C(x) in Rupees associated with the production of x units of an
item is given by
Find the marginal cost when 17 units are produced.
Answer:
Marginal cost (MC) =
Now, at x = 17
MC
Hence, marginal cost when 17 units are produced is 20.967
Question:16 The total revenue in Rupees received from the sale of x units of a product is
given by
Find the marginal revenue when x = 7
Answer:
Marginal revenue =
at x = 7
Hence, marginal revenue when x = 7 is 208
Answer:
Area of circle(A) =
Now, at r = 6cm
Hence, the rate of change of the area of a circle with respect to its radius r at r = 6 cm is
Hence, the correct answer is B
Answer:
Marginal revenue =
at x = 15
Hence, marginal revenue when x = 15 is 126
Hence, the correct answer is D
NCERT class 12 maths chapter 6 question answer: Exercise: 6.2
Question:1 . Show that the function given by f (x) = 3x + 17 is increasing on R.
Answer:
Let
Hence, f is strictly increasing on R
Question:2. Show that the function given by
Answer:
Let
Hence, the function
Question:3 a) Show that the function given by f (x) =
Answer:
Given f(x) = sinx
Since,
Hence, f(x) = sinx is strictly increasing in
Question:3 b) Show that the function given by f (x) =
Answer:
f(x) = sin x
Since,
So, we have
Hence, f(x) = sin x is strictly decreasing in
Question:3 c) Show that the function given by f (x) =
Answer:
We know that sin x is strictly increasing in
So, by this, we can say that f(x) = sinx is neither increasing or decreasing in range
Question:4(a). Find the intervals in which the function f given by
Answer:
Now,
4x - 3 = 0
So, the range is
So,
and
Hence,
Question:4(b) Find the intervals in which the function f given by
decreasing
Answer:
Now,
4x - 3 = 0
So, the range is
So,
and
Hence,
Question:5(a) Find the intervals in which the function f given by
increasing
Answer:
It is given that
So,
x = -2 , x = 3
So, three ranges are there
Function
Hence,
and strictly decreasing in the interval (-2,3)
Question:5(b) Find the intervals in which the function f given by
decreasing
Answer:
We have
Differentiating the function with respect to x, we get :
or
When
or
So, three ranges are there
Function
So, f(x) is decreasing in (-2, 3)
Question:6(a) Find the intervals in which the following functions are strictly increasing or
decreasing:
Answer:
f(x) =
Now,
The range is from
In interval
Hence, function f(x) =
In interval
Hence, function f(x) =
Question:6(b) Find the intervals in which the following functions are strictly increasing or
decreasing
Answer:
Given function is,
Now,
So, the range is
In interval
Hence,
In interval
Hence,
Question:6(c) Find the intervals in which the following functions are strictly increasing or
decreasing:
Answer:
Given function is,
Now,
So, the range is
In interval
Hence,
In interval (-2,-1) ,
Hence,
Question:6(d) Find the intervals in which the following functions are strictly increasing or
decreasing:
Answer:
Given function is,
Now,
So, the range is
In interval
Hence,
In interval
Hence,
Question:6(e) Find the intervals in which the following functions are strictly increasing or
decreasing:
Answer:
Given function is,
Now,
So, the intervals are
Our function
Hence,
Our function
Hence,
Question:7 Show that
Answer:
Given function is,
Now, for
Hence,
Question:8 Find the values of x for which
Answer:
Given function is,
Now,
So, the intervals are
In interval
Hence,
Question:9 Prove that
Answer:
Given function is,
Now, for
So,
Hence,
Question:10 Prove that the logarithmic function is increasing on
Answer:
Let logarithmic function is log x
Now, for all values of x in
Hence, the logarithmic function
Question:11 Prove that the function f given by
Answer:
Given function is,
Now, for interval
Hence, by this, we can say that
Question:12 Which of the following functions are decreasing on
Answer:
(A)
Hence,
(B)
Now, as
Hence,
(C)
Now, as
Hence, it is clear that
(D)
Hence,
So, only (A) and (B) are decreasing functions in
Answer:
(A) Given function is,
Now, in interval (0,1)
Hence,
(B) Now, in interval
Hence,
(C) Now, in interval
Hence,
So,
Hence, correct answer is (D) None of these
Question:14 For what values of a the function f given by
[1, 2]?
Answer:
Given function is,
Now, we can clearly see that for every value of
Hence,
Question:15 Let I be any interval disjoint from [–1, 1]. Prove that the function f given by
Answer:
Given function is,
Now,
So, intervals are from
In interval
Hence,
In interval (-1,1) ,
Hence,
Hence, the function f given by
Question:16 Prove that the function f given by
Given function is,
Now, we know that cot x is+ve in the interval
Hence,
Question:17 Prove that the function f given by f (x) = log |cos x| is decreasing on
and increasing on
Answer:
Given function is,
f(x) = log|cos x|
value of cos x is always +ve in both these cases
So, we can write log|cos x| = log(cos x)
Now,
We know that in interval
Hence, f(x) = log|cos x| is decreasing in interval
We know that in interval
Hence, f(x) = log|cos x| is increasing in interval
Question:18 Prove that the function given by
Answer:
Given function is,
We can clearly see that for any value of x in R
Hence,
Question:19 The interval in which
Answer:
Given function is,
Now, it is clear that
So,
Hence, (D) is the answer
NCERT application-of-derivatives class 12 solutions: Exercise: 6.3
Question:1 . Find the slope of the tangent to the curve
Answer:
Given curve is,
Now, the slope of the tangent at point x =4 is given by
Question:2 . Find the slope of the tangent to the curve
Answer:
Given curve is,
The slope of the tangent at x = 10 is given by
at x = 10
hence, slope of tangent at x = 10 is
Question:3 Find the slope of the tangent to curve
Answer:
Given curve is,
The slope of the tangent at x = 2 is given by
Hence, the slope of the tangent at point x = 2 is 11
Question:4 Find the slope of the tangent to the curve
Answer:
Given curve is,
The slope of the tangent at x = 3 is given by
Hence, the slope of tangent at point x = 3 is 24
Question:5 Find the slope of the normal to the curve
Answer:
The slope of the tangent at a point on a given curve is given by
Now,
Similarly,
Hence, the slope of the tangent at
Now,
Slope of normal =
Hence, the slope of normal at
Question:6 Find the slope of the normal to the curve
Answer:
The slope of the tangent at a point on given curves is given by
Now,
Similarly,
Hence, the slope of the tangent at
Now,
Slope of normal =
Hence, the slope of normal at
Question:7 Find points at which the tangent to the curve
Answer:
We are given :
Differentiating the equation with respect to x, we get :
or
or
It is given that tangent is parallel to the x-axis, so the slope of the tangent is equal to 0.
So,
or
Thus, Either x = -1 or x = 3
When x = -1 we get y = 12 and if x =3 we get y = -20
So the required points are (-1, 12) and (3, -20).
Answer:
Points joining the chord is (2,0) and (4,4)
Now, we know that the slope of the curve with given two points is
As it is given that the tangent is parallel to the chord, so their slopes are equal
i.e. slope of the tangent = slope of the chord
Given the equation of the curve is
Now, when
Hence, the coordinates are (3, 1)
Question:9 Find the point on the curve
Answer:
We know that the equation of a line is y = mx + c
Know the given equation of tangent is
y = x - 11
So, by comparing with the standard equation we can say that the slope of the tangent (m) = 1 and value of c if -11
As we know that slope of the tangent at a point on the given curve is given by
Given the equation of curve is
When x = 2 ,
and
When x = -2 ,
Hence, the coordinates are (2,-9) and (-2,19), here (-2,19) does not satisfy the equation y=x-11
Hence, the coordinate is (2,-9) at which the tangent is
Question:10 Find the equation of all lines having slope –1 that are tangents to the curve
Answer:
We know that the slope of the tangent of at the point of the given curve is given by
Given the equation of curve is
It is given thta slope is -1
So,
Now, when x = 0 ,
and
when x = 2 ,
Hence, the coordinates are (0,-1) and (2,1)
Equation of line passing through (0,-1) and having slope = -1 is
y = mx + c
-1 = 0 X -1 + c
c = -1
Now equation of line is
y = -x -1
y + x + 1 = 0
Similarly, Equation of line passing through (2,1) and having slope = -1 is
y = mx + c
1 = -1 X 2 + c
c = 3
Now equation of line is
y = -x + 3
y + x - 3 = 0
Question:11 Find the equation of all lines having slope 2 which are tangents to the curve
Answer:
We know that the slope of the tangent of at the point of the given curve is given by
Given the equation of curve is
It is given that slope is 2
So,
So, this is not possible as our coordinates are imaginary numbers
Hence, no tangent is possible with slope 2 to the curve
Question:12 Find the equations of all lines having slope 0 which are tangent to the curve
Answer:
We know that the slope of the tangent at a point on the given curve is given by
Given the equation of the curve as
It is given thta slope is 0
So,
Now, when x = 1 ,
Hence, the coordinates are
Equation of line passing through
y = mx + c
1/2 = 0 X 1 + c
c = 1/2
Now equation of line is
Question:13(i) Find points on the curve
Answer:
Parallel to x-axis means slope of tangent is 0
We know that slope of tangent at a given point on the given curve is given by
Given the equation of the curve is
From this, we can say that
Now. when
Hence, the coordinates are (0,4) and (0,-4)
Question:13(ii) Find points on the curve
Answer:
Parallel to y-axis means the slope of the tangent is
We know that slope of the tangent at a given point on the given curve is given by
Given the equation of the curve is
Slope of normal =
From this we can say that y = 0
Now. when y = 0,
Hence, the coordinates are (3,0) and (-3,0)
Question:14(i) Find the equations of the tangent and normal to the given curves at the indicated
points:
Answer:
We know that Slope of the tangent at a point on the given curve is given by
Given the equation of the curve
at point (0,5)
Hence slope of tangent is -10
Now we know that,
Now, equation of tangent at point (0,5) with slope = -10 is
equation of tangent is
Similarly, the equation of normal at point (0,5) with slope = 1/10 is
equation of normal is
Question:14(ii) Find the equations of the tangent and normal to the given curves at the indicated
points:
Answer:
We know that Slope of tangent at a point on given curve is given by
Given equation of curve
at point (1,3)
Hence slope of tangent is 2
Now we know that,
Now, equation of tangent at point (1,3) with slope = 2 is
y = 2x + 1
y -2x = 1
Similarly, equation of normal at point (1,3) with slope = -1/2 is
y = mx + c
equation of normal is
Question:14(iii) Find the equations of the tangent and normal to the given curves at the indicated
points:
Answer:
We know that Slope of the tangent at a point on the given curve is given by
Given the equation of the curve
at point (1,1)
Hence slope of tangent is 3
Now we know that,
Now, equation of tangent at point (1,1) with slope = 3 is
equation of tangent is
Similarly, equation of normal at point (1,1) with slope = -1/3 is
y = mx + c
equation of normal is
Question:14(iv) Find the equations of the tangent and normal to the given curves at the indicated points
Answer:
We know that Slope of the tangent at a point on the given curve is given by
Given the equation of the curve
at point (0,0)
Hence slope of tangent is 0
Now we know that,
Now, equation of tangent at point (0,0) with slope = 0 is
y = 0
Similarly, equation of normal at point (0,0) with slope =
Question:14(v) Find the equations of the tangent and normal to the given curves at the indicated points:
Answer:
We know that Slope of the tangent at a point on the given curve is given by
Given the equation of the curve
Now,
Now,
Hence slope of the tangent is -1
Now we know that,
Now, the equation of the tangent at the point
equation of the tangent at
Similarly, the equation of normal at
equation of the tangent at
Question:15(a) Find the equation of the tangent line to the curve
Answer:
Parellel to line
We know that the equation of line is
y = mx + c
on comparing with the given equation we get slope of line m = 2 and c = 9
Now, we know that the slope of tangent at a given point to given curve is given by
Given equation of curve is
Now, when x = 2 ,
Hence, the coordinates are (2,7)
Now, equation of tangent paasing through (2,7) and with slope m = 2 is
y = mx + c
7 = 2 X 2 + c
c = 7 - 4 = 3
So,
y = 2 X x+ 3
y = 2x + 3
So, the equation of tangent is y - 2x = 3
Question:15(b) Find the equation of the tangent line to the curve
Answer:
Perpendicular to line
We know that the equation of the line is
y = mx + c
on comparing with the given equation we get the slope of line m = 3 and c = 13/5
Now, we know that the slope of the tangent at a given point to given curve is given by
Given the equation of curve is
Now, when
Hence, the coordinates are
Now, the equation of tangent passing through (2,7) and with slope
So,
Hence, equation of tangent is 36y + 12x = 227
Question:16 Show that the tangents to the curve
Answer:
Slope of tangent =
When x = 2
When x = -2
Slope is equal when x= 2 and x = - 2
Hence, we can say that both the tangents to curve
Question:17 Find the points on the curve
Answer:
Given equation of curve is
Slope of tangent =
it is given that the slope of the tangent is equal to the y-coordinate of the point
We have
So, when x = 0 , y = 0
and when x = 3 ,
Hence, the coordinates are (3,27) and (0,0)
Question:18 For the curve
through the origin.
Answer:
Tangent passes through origin so, (x,y) = (0,0)
Given equtaion of curve is
Slope of tangent =
Now, equation of tangent is
at (0,0) Y = 0 and X = 0
and we have
Now, when x = 0,
when x = 1 ,
when x= -1 ,
Hence, the coordinates are (0,0) , (1,2) and (-1,-2)
Question:19 Find the points on the curve
to the x-axis.
Answer:
parellel to x-axis means slope is 0
Given equation of curve is
Slope of tangent =
When x = 1 ,
Hence, the coordinates are (1,2) and (1,-2)
Question:20 Find the equation of the normal at the point
Answer:
Given equation of curve is
Slope of tangent
at point
Now, we know that
equation of normal at point
Hence, the equation of normal is
Question:21 Find the equation of the normals to the curve
to the line
Answer:
Equation of given curve is
Parellel to line
We know that, equation of line
y= mx + c
on comparing it with our given equation. we get,
Slope of tangent =
We know that
Now, when x = 2,
and
When x = -2 ,
Hence, the coordinates are (2,18) and (-2,-6)
Now, the equation of at point (2,18) with slope
Similarly, the equation of at point (-2,-6) with slope
Hence, the equation of the normals to the curve
to the line
are x +14y - 254 = 0 and x + 14y +86 = 0
Question:22 Find the equations of the tangent and normal to the parabola
Answer:
Equation of the given curve is
Slope of tangent =
at point
Now, the equation of tangent with point
We know that
Now, the equation of at point
Hence, the equations of the tangent and normal to the parabola
Question:23 Prove that the curves
Answer:
Let suppose, Curve
then the slope of their tangent also cut at the right angle
means,
Now these values in equation (i)
Hence proved
Question:24 Find the equations of the tangent and normal to the hyperbola
Answer:
Given equation is
Now ,we know that
slope of tangent =
at point
equation of tangent at point
Now, divide both sides by
Hence, the equation of tangent is
We know that
equation of normal at the point
Question:25 Find the equation of the tangent to the curve
Answer:
Parellel to line
We know that the equation of line is
y = mx + c
on comparing with the given equation we get the slope of line m = 2 and c = 5/2
Now, we know that the slope of the tangent at a given point to given curve is given by
Given the equation of curve is
Now, when
but y cannot be -ve so we take only positive value
Hence, the coordinates are
Now, equation of tangent paasing through
Hence, equation of tangent paasing through
Question:26 The slope of the normal to the curve
(A) 3 (B) 1/3 (C) –3 (D) -1/3
Answer:
Equation of the given curve is
Slope of tangent =
at x = 0
Now, we know that
Hence, (D) is the correct option
Question:27 The line
(A) (1, 2) (B) (2, 1) (C) (1, – 2) (D) (– 1, 2)
Answer:
The slope of the given line
given curve equation is
If the line is tangent to the given curve than the slope of the tangent is equal to the slope of the curve
The slope of tangent =
Now, when y = 2,
Hence, the coordinates are (1,2)
Hence, (A) is the correct answer
NCERT application-of-derivatives class 12 solutions: Exercise 6.4
Question:1(i) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(ii) Using differentials, find the approximate value of each of the following up to 3 places of decimal.
Answer:
Lets suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(iii) Using differentials, find the approximate value of each of the following up to 3 places of decimal.
Answer:
Lets suppose
Then,
Now, we cam say that
Now,
Hence,
Question:1(iv) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we cam say that
Now,
Hence,
Question:1(v) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we cam say that
Now,
Hence,
Question:1(vi) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Let's suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(vii) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(viii) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Let's suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(ix) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Let's suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(x) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Let's suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(xi) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(xii) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we cam say that
Now,
Hence,
Question:1(xiii) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(xiv) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Let's suppose
Then,
Now, we can say that
Now,
Hence,
Question:1(xv) Using differentials, find the approximate value of each of the following up to 3
places of decimal.
Answer:
Lets suppose
Then,
Now, we can say that
Now,
Hence,
Question:2 Find the approximate value of f (2.01), where
Answer:
Let x = 2 and
We know that
Hence, the approximate value of f (2.01), where
Question:3 Find the approximate value of f (5.001), where
Answer:
Let x = 5 and
We know that
Hence, the approximate value of f (5.001), where
Answer:
Side of cube increased by 1% = 0.01x m
Volume of cube =
we know that
So,
Hence, the approximate change in volume V of a cube of side x metres caused by increasing the side by 1% is
Answer:
Side of cube decreased by 1%
The surface area of cube =
We know that,
Hence, the approximate change in the surface area of a cube of side x metres
caused by decreasing the side by 1%. is
Answer:
Error in radius of sphere
Volume of sphere =
Error in volume
Hence, the approximate error in its volume is
Answer:
Error in radius of sphere
The surface area of sphere =
Error in surface area
Hence, the approximate error in its surface area is
Question:8 If
(A) 47.66 (B) 57.66 (C) 67.66 (D) 77.66
Answer:
Let x = 3 and
We know that
Hence, the approximate value of f (3.02) is 77.66
Hence, (D) is the correct answer
Answer:
Side of cube increased by 3% = 0.03x m
The volume of cube =
we know that
So,
Hence, the approximate change in volume V of a cube of side x metres caused by increasing the side by 3% is
Hence, (C) is the correct answer
NCERT application-of-derivatives class 12 solutions: Exercise: 6.5
Question:1(i) Find the maximum and minimum values, if any, of the following functions
given by
(
Answer:
Given function is,
Hence, minimum value occurs when
Hence, the minimum value of function
and the minimum value is
and it is clear that there is no maximum value of
Question:1(ii) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is,
add and subtract 2 in given equation
Now,
Hence, minimum value occurs when
Hence, the minimum value of function
and the minimum value is
and it is clear that there is no maximum value of
Question:1(iii) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is,
Hence, maximum value occurs when
Hence, maximum value of function
and the maximum value is
and it is clear that there is no minimum value of
Question:1(iv) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is,
value of
Hence, function
Question:2(i) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is
Hence, minimum value occurs when |x + 2| = 0
x = -2
Hence, minimum value occurs at x = -2
and minimum value is
It is clear that there is no maximum value of the given function
Question:2(ii) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is
Hence, maximum value occurs when -|x + 1| = 0
x = -1
Hence, maximum value occurs at x = -1
and maximum value is
It is clear that there is no minimum value of the given function
Question:2(iii) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is
We know that value of sin 2x varies from
Hence, the maximum value of our function
Question:2(iv) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is
We know that value of sin 4x varies from
Hence, the maximum value of our function
Question:2(v) Find the maximum and minimum values, if any, of the following functions
given by
Answer:
Given function is
It is given that the value of
So, we can not comment about either maximum or minimum value
Hence, function
Answer:
Given function is
So, x = 0 is the only critical point of the given function
Hence, by this, we can say that 0 is a point of minima
and the minimum value is
Answer:
Given function is
Hence, the critical points are 1 and - 1
Now, by second derivative test
Hence, 1 is the point of minima and the minimum value is
Hence, -1 is the point of maxima and the maximum value is
Answer:
Given function is
Now, we use the second derivative test
Hence,
Answer:
Given function is
Now, we use second derivative test
Hence,
Answer:
Givrn function is
Hence 1 and 3 are critical points
Now, we use the second derivative test
Hence, x = 1 is a point of maxima and the maximum value is
Hence, x = 1 is a point of minima and the minimum value is
Answer:
Given function is
Hence, 2 is the only critical point
Now, we use the second derivative test
Hence, 2 is the point of minima and the minimum value is
Answer:
Gien function is
Hence., x = 0 is only critical point
Now, we use the second derivative test
Hence, 0 is the point of local maxima and the maximum value is
Question:3(viii) Find the local maxima and local minima, if any, of the following functions. Find
also the local maximum and the local minimum values, as the case may be:
Answer:
Given function is
Hence,
Now, we use the second derivative test
Hence, it is the point of minima and the minimum value is
Question:4(i) Prove that the following functions do not have maxima or minima:
Answer:
Given function is
But exponential can never be 0
Hence, the function
Question:4(ii) Prove that the following functions do not have maxima or minima:
Answer:
Given function is
Since log x deifne for positive x i.e.
Hence, by this, we can say that
Therefore, there is no
Hence, the function
Question:4(iii) Prove that the following functions do not have maxima or minima:
Answer:
Given function is
But, it is clear that there is no
Hence, the function
Question:5(i) Find the absolute maximum value and the absolute minimum value of the following
functions in the given intervals:
Answer:
Given function is
Hence, 0 is the critical point of the function
Now, we need to see the value of the function
Hence, maximum value of function
and minimum value of function
Question:5(ii) Find the absolute maximum value and the absolute minimum value of the following
functions in the given intervals:
Answer:
Given function is
Hence,
Now, we need to check the value of function
Hence, the absolute maximum value of function
and absolute minimum value of function
Question:5(iii) Find the absolute maximum value and the absolute minimum value of the following
functions in the given intervals:
Answer:
Given function is
Hence, x = 4 is the critical point of function
Now, we need to check the value of function
Hence, absolute maximum value of function
and absolute minimum value of function
Question:5(iv) Find the absolute maximum value and the absolute minimum value of the following functions in the given intervals:
Answer:
Given function is
Hence, x = 1 is the critical point of function
Now, we need to check the value of function
Hence, absolute maximum value of function
and absolute minimum value of function
Question:6 . Find the maximum profit that a company can make, if the profit function is
given by
Answer:
Profit of the company is given by the function
x = -2 is the only critical point of the function
Now, by second derivative test
At x = -2
Hence, maxima of function
Hence, the maximum profit the company can make is 113 units
Question:7 . Find both the maximum value and the minimum value of
Answer:
Given function is
Now, by hit and trial let first assume x = 2
Hence, x = 2 is one value
Now,
Hence, x = 2 is the only critical value of function
Now, we need to check the value at x = 2 and at the end points of given range i.e. x = 0 and x = 3
Hence, maximum value of function
and minimum value of function
Question:8 . At what points in the interval
Answer:
Given function is
So, values of x are
Now, we need to find the value of the function
Hence, at
Question:9 What is the maximum value of the function
Answer:
Given function is
Hence,
Now, we need to check the value of the function
Value is same for all cases so let assume that n = 0
Now
Hence, the maximum value of the function
Question:10. Find the maximum value of
the maximum value of the same function in [–3, –1].
Answer:
Given function is
Hence, x = 2 is the only critical value of function
Now, we need to check the value at x = 2 and at the end points of given range i.e. x = 1 and x = 3
Hence, maximum value of function
Now, when
we neglect the value x = 2
Hence, x = -2 is the only critical value of function
Now, we need to check the value at x = -2 and at the end points of given range i.e. x = -1 and x = -3
Hence, the maximum value of function
Question:11. It is given that at x = 1, the function
Answer:
Given function is
Function
Now,
Hence, the value of a is 120
Question:12 . Find the maximum and minimum values of
Answer:
Given function is
So, values of x are
Now, we need to find the value of the function
Hence, at
and at x= 0 function
Question:13 . Find two numbers whose sum is 24 and whose product is as large as possible.
Answer:
Let x and y are two numbers
It is given that
x + y = 24 , y = 24 - x
and product of xy is maximum
let
Hence, x = 12 is the only critical value
Now,
at x= 12
Hence, x = 12 is the point of maxima
Noe, y = 24 - x
= 24 - 12 = 12
Hence, the value of x and y are 12 and 12 respectively
Question:14 Find two positive numbers x and y such that x + y = 60 and
Answer:
It is given that
x + y = 60 , x = 60 -y
and
let
Now,
Now,
hence, 0 is neither point of minima or maxima
Hence, y = 45 is point of maxima
x = 60 - y
= 60 - 45 = 15
Hence, values of x and y are 15 and 45 respectively
Question:15 Find two positive numbers x and y such that their sum is 35 and the product
Answer:
It is given that
x + y = 35 , x = 35 - y
and
Therefore,
Now,
Now,
Hence, y = 35 is the point of minima
Hence, y= 0 is neither point of maxima or minima
Hence, y = 25 is the point of maxima
x = 35 - y
= 35 - 25 = 10
Hence, the value of x and y are 10 and 25 respectively
Question:16 . Find two positive numbers whose sum is 16 and the sum of whose cubes is minimum.
Answer:
let x an d y are positive two numbers
It is given that
x + y = 16 , y = 16 - x
and
Now,
Hence, x = 8 is the only critical point
Now,
Hence, x = 8 is the point of minima
y = 16 - x
= 16 - 8 = 8
Hence, values of x and y are 8 and 8 respectively
Answer:
It is given that the side of the square is 18 cm
Let assume that the length of the side of the square to be cut off is x cm
So, by this, we can say that the breath of cube is (18-2x) cm and height is x cm
Then,
Volume of cube
Hence, x = 3 is the critical point
Now,
Hence, x = 3 is the point of maxima
Hence, the length of the side of the square to be cut off is 3 cm so that the volume of the box is the maximum possible
Answer:
It is given that the sides of the rectangle are 45 cm and 24 cm
Let assume the side of the square to be cut off is x cm
Then,
Volume of cube
But x cannot be equal to 18 because then side (24 - 2x) become negative which is not possible so we neglect value x= 18
Hence, x = 5 is the critical value
Now,
Hence, x = 5 is the point of maxima
Hence, the side of the square to be cut off is 5 cm so that the volume of the box is maximum
Question:19 Show that of all the rectangles inscribed in a given fixed circle, the square has the maximum area.
Answer:
Let assume that length and breadth of rectangle inscribed in a circle is l and b respectively
and the radius of the circle is r
Now, by Pythagoras theorem
a = 2r
Now, area of reactangle(A) = l
Now,
Hence,
Since, l = b we can say that the given rectangle is a square
Hence, of all the rectangles inscribed in a given fixed circle, the square has the maximum area
Answer:
Let r be the radius of the base of cylinder and h be the height of the cylinder
we know that the surface area of the cylinder
Volume of cylinder
Hence,
Now,
Hence,
Hence, the right circular cylinder of given surface and maximum volume is such that its height is equal to the diameter(D = 2r) of the base
Answer:
Let r be the radius of base and h be the height of the cylinder
The volume of the cube (V) =
It is given that the volume of cylinder = 100
Surface area of cube(A) =
Hence,
Hence,
Hence,
Answer:
Area of the square (A) =
Area of the circle(S) =
Given the length of wire = 28 m
Let the length of one of the piece is x m
Then the length of the other piece is (28 - x) m
Now,
and
Area of the combined circle and square
Now,
Hence,
Other length is = 28 - x
=
Hence, two lengths are
Answer:
Volume of cone (V) =
Volume of sphere with radius r =
By pythagoras theorem in
V =
Now,
Hence, point
Hence, the altitude of the right circular cone of maximum volume that can be inscribed in a sphere of radius r is
Volume =
Hence proved
Answer:
Volume of cone(V)
curved surface area(A) =
Now , we can clearly varify that
when
Hence,
Hence proved that the right circular cone of least curved surface and given volume has an altitude equal to
Question:25 Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is
Answer:
Let a be the semi-vertical angle of cone
Let r , h , l are the radius , height , slent height of cone
Now,
we know that
Volume of cone (V) =
Now,
Now,
Now, at
Therefore,
Hence proved
Question:26 Show that semi-vertical angle of the right circular cone of given surface area and maximum volume is
Answer:
Let r, l, and h are the radius, slant height and height of cone respectively
Now,
Now,
we know that
The surface area of the cone (A) =
Now,
Volume of cone(V) =
On differentiate it w.r.t to a and after that
we will get
Now, at
Hence, we can say that
Hence proved
Question:27 The point on the curve
Answer:
Given curve is
Let the points on curve be
Distance between two points is given by
Hence, x = 0 is the point of maxima
Hence, the point
Hence, the point
Hence, the correct answer is (A)
Question:28 For all real values of x, the minimum value of
is
(A) 0 (B) 1 (C) 3 (D) 1/3
Answer:
Given function is
Hence, x = 1 and x = -1 are the critical points
Now,
Hence, x = 1 is the point of minima and the minimum value is
Hence, x = -1 is the point of maxima
Hence, the minimum value of
Hence, (D) is the correct answer
Question:29 The maximum value of
Answer:
Given function is
Hence, x = 1/2 is the critical point s0 we need to check the value at x = 1/2 and at the end points of given range i.e. at x = 1 and x = 0
Hence, by this we can say that maximum value of given function is 1 at x = 0 and x = 1
option c is correct
Application-of-derivatives class 12 NCERT solutions - Miscellaneous Exercise
Question:1(a) Using differentials, find the approximate value of each of the following:
Answer:
Let
Now, we know that
So,
Now,
Hence,
Question:1(b) Using differentials, find the approximate value of each of the following:
Answer:
Let
Now, we know that
So,
Now,
Hence,
Question:2. Show that the function given by
Answer:
Given function is
Hence, x =e is the critical point
Now,
Hence, x = e is the point of maxima
Answer:
It is given that the base of the triangle is b
and let the side of the triangle be x cm ,
We know that the area of the triangle(A) =
now,
Now at x = b
Hence, the area decreasing when the two equal sides are equal to the base is
Question:4 Find the equation of the normal to curve
Answer:
Given the equation of the curve
We know that the slope of the tangent at a point on the given curve is given by
We know that
At point (a,b)
Now, the equation of normal with point (a,b) and
It is given that it also passes through the point (1,2)
Therefore,
It also satisfies equation
By comparing equation (i) and (ii)
Now, equation of normal with point (2,1) and slope = -1
Hence, equation of normal is x + y - 3 = 0
Question:5 . Show that the normal at any point
Answer:
We know that the slope of tangent at any point is given by
Given equations are
We know that
equation of normal with given points and slope
Hence, the equation of normal is
Now perpendicular distance of normal from the origin (0,0) is
Hence, by this, we can say that
the normal at any point
is at a constant distance from the origin
Question:6(i) Find the intervals in which the function f given by
Answer:
Given function is
But
So,
Now three ranges are there
In interval
Hence, the given function
in interval
Question:6(ii) Find the intervals in which the function f given by f x is equal to
Answer:
Given function is
But
So,
Now three ranges are there
In interval
Hence, given function
in interval
Hence, given function
Question:7(i) Find the intervals in which the function f given by
Answer:
Given function is
Hence, three intervals are their
In interval
Hence, given function
In interval (-1,1) ,
Hence, given function
Question:7(ii) Find the intervals in which the function f given by
Answer:
Given function is
Hence, three intervals are their
In interval
Hence, given function
In interval (-1,1) ,
Hence, given function
Answer:
Given the equation of the ellipse
Now, we know that ellipse is symmetrical about x and y-axis. Therefore, let's assume coordinates of A = (-n,m) then,
Now,
Put(-n,m) in equation of ellipse
we will get
Therefore, Now
Coordinates of A =
Coordinates of B =
Now,
Length AB(base) =
And height of triangle ABC = (a+n)
Now,
Area of triangle =
Now,
Now,
but n cannot be zero
therefore,
Now, at
Therefore,
Now,
Now,
Therefore, Area (A)
Answer:
Let l , b and h are length , breath and height of tank
Then, volume of tank = l X b X h = 8
h = 2m (given)
lb = 4 =
Now,
area of base of tank = l X b = 4
area of 4 side walls of tank = hl + hl + hb + hb = 2h(l + b)
Total area of tank (A) = 4 + 2h(l + b)
Now,
Hence, b = 2 is the point of minima
So, l = 2 , b = 2 and h = 2 m
Area of base = l X B = 2 X 2 =
building of tank costs Rs 70 per sq metres for the base
Therefore, for
Area of 4 side walls = 2h(l + b)
= 2 X 2(2 + 2) =
building of tank costs Rs 45 per square metre for sides
Therefore, for
Therefore, total cost for making the tank is = 720 + 280 = 1000 Rs
Answer:
It is given that
the sum of the perimeter of a circle and square is k =
Let the sum of the area of a circle and square(A) =
Now,
Hence,
Hence proved that the sum of their areas is least when the side of the square is double the radius of the circle
Answer:
Let l and bare the length and breadth of rectangle respectively and r will be the radius of circle
The total perimeter of window = perimeter of rectangle + perimeter of the semicircle
=
Area of window id given by (A) =
Now,
Hence, b = 5/2 is the point of maxima
Hence, these are the dimensions of the window to admit maximum light through the whole opening
Question:12 A point on the hypotenuse of a triangle is at distance a and b from the sides of the triangle. Show that the minimum length of the hypotenuse is
Answer:
It is given that
A point on the hypotenuse of a triangle is at a distance a and b from the sides of the triangle
Let the angle between AC and BC is
So, the angle between AD and ED is also
Now,
CD =
And
AD =
AC = H = AD + CD
=
Now,
When
Hence,
AC =
Hence proved
Question:13 Find the points at which the function f given by
Answer:
Given function is
Now, for value x close to
Thus, point x =
Now, for value x close to 2 and to the Right of 2 ,
Thus, point x = 2 is the point of minima
There is no change in the sign when the value of x is -1
Thus x = -1 is the point of inflexion
Question:14 Find the absolute maximum and minimum values of the function f given by
Answer: Given function is
Now,
Hence, the point
And
Hence, the point
Answer:
The volume of a cone (V) =
The volume of the sphere with radius r =
By Pythagoras theorem in
V =
Now,
Hence, the point
Hence, the altitude of the right circular cone of maximum volume that can be inscribed in a sphere of radius r is
Answer:
Let's do this question by taking an example
suppose
Now, also
Hence by this, we can say that f is an increasing function on (a, b)
Question:17 Show that the height of the cylinder of maximum volume that can be inscribed in a sphere of radius R is
Answer:
The volume of the cylinder (V) =
By Pythagoras theorem in
h = 2OA
Now,
Hence, the point
Hence, the height of the cylinder of maximum volume that can be inscribed in a sphere of radius R is
and maximum volume is
Answer:
Let's take radius and height of cylinder = r and h ' respectively
Let's take radius and height of cone = R and h respectively
Volume of cylinder =
Volume of cone =
Now, we have
Now, since
Now,
Now,
Now,
at
Hence,
Hence proved
Now, Volume (V) at
hence proved
Answer:
It is given that
Volume of cylinder (V) =
Hence, (A) is correct answer
Question:20 The slope of the tangent to the curve
(2,– 1) is
Answer:
Given curves are
At point (2,-1)
Similarly,
The common value between two is t = 2
Hence, we find the slope of the tangent at t = 2
We know that the slope of the tangent at a given point is given by
Hence, (B) is the correct answer
Question:21 The line y is equal to
(A) 1
Answer:
Standard equation of the straight line
y = mx + c
Where m is lope and c is constant
By comparing it with equation , y = mx + 1
We find that m is the slope
Now,
we know that the slope of the tangent at a given point on the curve is given by
Given the equation of the curve is
Put this value of m in the given equation
Hence, value of m is 1
Hence, (A) is correct answer
Question:22 T he normal at the point (1,1) on the curve
(A) x + y = 0
Answer:
Given the equation of the curve
We know that the slope of the tangent at a point on the given curve is given by
We know that
At point (1,1)
Now, the equation of normal with point (1,1) and slope = 1
Hence, the correct answer is (B)
Question:23 The normal to the curve
Answer:
Given the equation of the curve
We know that the slope of the tangent at a point on the given curve is given by
We know that
At point (a,b)
Now, the equation of normal with point (a,b) and
?
It is given that it also passes through the point (1,2)
Therefore,
It also satisfies equation
By comparing equation (i) and (ii)
Now, equation of normal with point (2,1) and slope = -1
Hence, correct answer is (A)
Question:24 The points on the curve
Answer:
Given the equation of the curve
We know that the slope of the tangent at a point on a given curve is given by
We know that
At point (a,b)
Now, the equation of normal with point (a,b) and
It is given that normal to the curve makes equal intercepts with the axes
Therefore,
point(a,b) also satisfy the given equation of the curve
Hence, The points on the curve
Hence, the correct answer is (A)
If you are looking for application of derivatives class 12 ncert solution of exercises then they are listed below.
If you are good at differentiation, NCERT Class 12 maths chapter 6 alone has 11% weightage in 12 board final examinations, which means you can score very easily with basic knowledge of maths and basic differentiation. After going through class 12 maths ch 6, you can build your concepts to score well in exams.
Class 12 maths chapter 6 seems to be very easy but there are chances of silly mistakes as it requires knowledge of other chapters also. So, practice all the NCERT questions on your own, you can take help of these NCERT solutions for class 12 maths chapter 6 application of derivatives. There are five exercises with 102 questions in chapter 6 class 12 maths. All these questions are explained in this Class 12 maths chapter 6 NCERT solutions article.
Also read,
What is the derivative?
The derivative is the rate of change of distance(S) with respect to the time(t). In a similar manner, whenever one quantity (y) varies with another quantity (x), and also satisfy
,then
or
represents the rate of change of y with respect to x and
or
represents the rate of change of y with respect to x at
. Let's take an example of a derivative
Example- Find the rate of change of the area of a circle per second with respect to its radius r when r = 5 cm. Solution- The area A of a circle with radius r is given by ![]() ![]() ![]() ![]() |
6.1 Introduction
6.2 Rate of Change of Quantities
6.3 Increasing and Decreasing Functions
6.4 Tangents and Normals
6.5 Approximations
6.6 Maxima and Minima
6.6.1 Maximum and Minimum Values of a Function in a Closed Interval
NCERT Solutions for Class 12 maths chapter 6 PDFs are very helpful for the preparation of this chapter. Here are some tips to get command on this application of derivatives solutions.
First cover the differentials and then go for its applications.
Solve the NCERT problems first with examples, NCERT Solutions for Class 12 maths chapter 6 PDF will help in this.
Try to make figures first and label it, if required. This will help in solving the problem easily.
NCERT maths chapter 6 class 12 solutions outlines the crucial uses of derivatives. The NCERT Solutions for Class 12 Maths Chapter 6 covers concepts such as utilizing derivatives to calculate the rate of change of quantities, determining ranges, and finding the equation of tangent and normal lines to a curve at a particular point. The ultimate goal of these solutions is to encourage students to practice and enhance their mathematical skills, aiding their overall academic progress.
you can directly download by clicking on the given link NCERT solutions for class 12 Maths. you can also get these solutions freely from careers360 official website. these solutions are make you comfortable with applications of derivative's problems and build your confidence that help you in exam to score well.
maths chapter 6 class 12 ncert solutions includes six main topics and a miscellaneous section with questions and answers at the end. The topics covered in this chapter are:
6.1 - Introduction
6.2 - Rate of Change of Quantities
6.3 - Increasing and Decreasing Functions
6.4 - Tangents and Normals
6.5 - Approximations
6.6 - Maxima and Minima
ch 6 maths class 12 ncert solutions are very important to get good hold in these topics.
Application of derivatives has 11% weightage in the CBSE 12th board final exam. Having good weightage this chapter become more important for board as well as some premiere exams like JEE Main and JEE Advance. Therefor it is advise to students to make good hold on the concepts of this chapter.
There are several compelling reasons to get the maths chapter 6 class 12 ncert solutions, created by the specialists at Careers360. Firstly, the CBSE board suggests students consult the NCERT textbooks, as they are among the top study resources for exams. Secondly, chapter 6 class 12 maths ncert solutions serve a critical function as all the answers to the questions in the NCERT textbook can be found in one location. Finally, the subject experts and teachers at Careers360 present these class 12 maths ch 6 question answer in a succinct way to aid students in achieving high marks in their board exams.
Changing from the CBSE board to the Odisha CHSE in Class 12 is generally difficult and often not ideal due to differences in syllabi and examination structures. Most boards, including Odisha CHSE , do not recommend switching in the final year of schooling. It is crucial to consult both CBSE and Odisha CHSE authorities for specific policies, but making such a change earlier is advisable to prevent academic complications.
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Ah, you're looking for CBSE quarterly question papers for mathematics, right? Those can be super helpful for exam prep.
Unfortunately, CBSE doesn't officially release quarterly papers - they mainly put out sample papers and previous years' board exam papers. But don't worry, there are still some good options to help you practice!
Have you checked out the CBSE sample papers on their official website? Those are usually pretty close to the actual exam format. You could also look into previous years' board exam papers - they're great for getting a feel for the types of questions that might come up.
If you're after more practice material, some textbook publishers release their own mock papers which can be useful too.
Let me know if you need any other tips for your math prep. Good luck with your studies!
It's understandable to feel disheartened after facing a compartment exam, especially when you've invested significant effort. However, it's important to remember that setbacks are a part of life, and they can be opportunities for growth.
Possible steps:
Re-evaluate Your Study Strategies:
Consider Professional Help:
Explore Alternative Options:
Focus on NEET 2025 Preparation:
Seek Support:
Remember: This is a temporary setback. With the right approach and perseverance, you can overcome this challenge and achieve your goals.
I hope this information helps you.
Hi,
Qualifications:
Age: As of the last registration date, you must be between the ages of 16 and 40.
Qualification: You must have graduated from an accredited board or at least passed the tenth grade. Higher qualifications are also accepted, such as a diploma, postgraduate degree, graduation, or 11th or 12th grade.
How to Apply:
Get the Medhavi app by visiting the Google Play Store.
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Examine Notification: Examine the comprehensive notification on the scholarship examination.
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Get Results: In just two days, the results are made public.
Verification of Documents: Provide the required paperwork and bank account information for validation.
Get Scholarship: Following a successful verification process, the scholarship will be given. You need to have at least passed the 10th grade/matriculation scholarship amount will be transferred directly to your bank account.
Scholarship Details:
Type A: For candidates scoring 60% or above in the exam.
Type B: For candidates scoring between 50% and 60%.
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Cash Scholarship:
Scholarships can range from Rs. 2,000 to Rs. 18,000 per month, depending on the marks obtained and the type of scholarship exam (SAKSHAM, SWABHIMAN, SAMADHAN, etc.).
Since you already have a 12th grade qualification with 84%, you meet the qualification criteria and are eligible to apply for the Medhavi Scholarship exam. Make sure to prepare well for the exam to maximize your chances of receiving a higher scholarship.
Hope you find this useful!
hello mahima,
If you have uploaded screenshot of your 12th board result taken from CBSE official website,there won,t be a problem with that.If the screenshot that you have uploaded is clear and legible. It should display your name, roll number, marks obtained, and any other relevant details in a readable forma.ALSO, the screenshot clearly show it is from the official CBSE results portal.
hope this helps.
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