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RD Sharma Class 12th Exercise 18.9 deals with the chapter Indefinite Integrals. This exercise contains 72 questions that are divided into Level 1 and Level 2 based on their complexity. It consists of 62 Level 1 questions and 10 Level 2 questions. RD Sharma solutions The Level 1 questions cover concepts like the integration of trigonometric and logarithmic equations, and Level 2 questions contain more complex functions that can be solved using the given theorems.
Chapter 18 - Indefinite Integrals - Ex-18.1
Indefinite Integrals exercise 18.9 question 1
Solution: We have ,Indefinite Integrals exercise 18 .9 question 2
Answer:$-\frac{1}{2}\left[\log \left(1+\frac{1}{x}\right)\right]^{2}+c$Indefinite Integrals exercise 18.9 question 3
Answer: $\frac{2}{3}(1+\sqrt{x})^{3}+c$Indefinite Integrals exercise 18.9 question 4
Answer:$\frac{2}{3}\left(1+e^{x}\right)^{\frac{3}{2}}+c$Indefinite Integrals exercise 18.9 question 5
Answer:$-\frac{3}{5}(\cos x)^{\frac{5}{3}}+c$Indefinite Integrals exercise 18.9 question 6
Answer: $\frac{-1}{\left(1+e^{x}\right)}+c$Indefinite Integrals exercise 18.9 question 7
Answer: $\frac{-1}{4} \cot ^{4} x+c$Indefinite Integrals exercise 18.9 question 8
Answer: $\frac{e^{2 \sin ^{-1} x}}{2}+c$Indefinite Integrals exercise 18.9 question 9
Answer: $2 \sqrt{x-\cos x}+c$Indefinite Integrals exercise 18.9 question 10
Answer: $\frac{-1}{\sin ^{-1} x}+C$Indefinite Integrals exercise 18.9 question 11
Answer:$\frac{-2}{\sqrt{\sin x}}+c$Indefinite Integrals exercise 18.9 question 12
Answer:$\frac{2}{\sqrt{\cos x}}+c$Indefinite Integrals exercise 18.9 question 13
Answer: $2 \sqrt{\sin x}-\frac{2}{5}(\sin x)^{\frac{5}{2}}+c$Indefinite Integrals exercise 18.9 question 14
Answer: $-2 \sqrt{\cos x}+\frac{2}{5}(\cos x)^{\frac{5}{2}}+c$Indefinite Integrals exercise 18.9 question 15
Answer: $2 \sqrt{\tan ^{-1} x}+c$Indefinite Integrals exercise 18.9 question 16
Answer: $2 \sqrt{\tan x}+c$Indefinite Integrals exercise 18.9 question 17
Answer:$\frac{1}{3}(\log x)^{3}+c$Indefinite Integrals exercise 18.9 question 18
Answer:$\frac{1}{6} \sin ^{6} x+c$Indefinite Integrals exercise 18.9 question 21
Answer: $\frac{4}{3}\left(x^{2}+x+1\right)^{\frac{3}{2}}+c$Indefinite Integrals exercise 18.9 question 22
Answer: $2 \sqrt{2 x^{2}+3 x+1}+c$Indefinite Integrals exercise 18.9 question 23
Answer: $2 \sqrt{x}-2 \log |\sqrt{x}+1|+c$Indefinite Integrals exercise 18.9 question 24
Answer: $-e^{\cos ^{2} x}+c$Indefinite Integrals exercise 18.9 question 25
Answer:$\frac{-1}{2(x+\sin x)^{2}}+c$Indefinite Integrals exercise 18.9 question 26
Answer: $\frac{-1}{\sin x+\cos x}+c$Indefinite Integrals exercise 18.9 question 27
Answer: $\frac{1}{2 b(a+b \cos 2 x)}+c$Indefinite Integrals exercise 18.9 question 28
Answer: $(\log x)^{2}+c$Indefinite Integrals exercise 18.9 question 29
Answer:$\frac{1}{1+\cos x}+C$Indefinite Integrals exercise 18.9 question 30
Answer: $\frac{1}{2}\{\log (\sin x)\}^{2}+c$Indefinite Integrals exercise 18.9 question 31
Answer: $\frac{1}{2}\{\log (\sec x+\tan x)\}^{2}+c$Indefinite Integrals exercise 18.9 question 32
Answer:$\frac{1}{2}\{\log (\operatorname{cosec} x-\cot x)\}^{2}+c$Indefinite Integrals exercise 18.9 question 33
Answer: $\frac{1}{4} \sin \left(x^{4}\right)+c$Indefinite Integrals exercise 18.9 question 34
Answer: $\frac{3}{2}\left(x^{2}-1\right)^{\frac{2}{3}}+c$Indefinite Integrals exercise 18.9 question 36
Answer:$-\frac{\cos \left(x^{4}+1\right)}{4}+c$Indefinite Integrals exercise 18.9 question 37
Answer:$\tan \left(x e^{x}\right)+c$Indefinite Integrals exercise 18.9 question 38
Answer: $\frac{1}{3} \sin \left(e^{x^{3}}\right)+c$Indefinite Integrals exercise 18.9 question 39
Answer: $\frac{1}{3} \sec ^{3}\left(x^{2}+3\right)+c$Indefinite Integrals exercise 18.9 question 40
Answer:$\frac{1}{3}(\log x+x)^{3}+c$Indefinite Integrals exercise 18.9 question 41
Answer: $-\frac{1}{3}\left(1-\tan ^{2} x\right)^{\frac{3}{2}}+c$Indefinite Integrals exercise 18 .9 question 42
Answer: $-\frac{1}{2} \cos \left\{1+(\log x)^{2}\right\}+c$Indefinite Integrals exercise 18.9 question 43
Answer: $-\frac{1}{2 x}-\frac{1}{4} \sin \left(\frac{2}{x}\right)+c$Indefinite Integrals exercise 18.9 question 44
Answer: $\frac{1}{2} \tan ^{2} x+\frac{1}{4} \tan ^{4} x+c$Indefinite Integrals exercise 18.9 question 45
Answer: $2 \sin \left(e^{\sqrt{x}}\right)+c$Indefinite Integrals exercise 18.9 question 46
Answer: $\frac{1}{4} \sin ^{4} x-\sin ^{2} x+\log |\sin x|+c$Indefinite Integrals exercise 18.9 question 47
Answer: $-2 \cos \sqrt{x}+c$Indefinite Integrals exercise 18.9 question 48
Answer: $-\cot \left(x e^{x}\right)+c$Indefinite Integrals exercise 18.9 question 49
Answer:$\frac{5^{x+\tan ^{-1} x}}{\log 5}+C$Indefinite Integrals exercise 18.9 question 50
Answer: $\frac{1}{m} e^{m \sin ^{-1} x}+c$Indefinite Integrals exercise 18.9 question 51
Answer: $2 \sin \sqrt{x}+c$Indefinite Integrals exercise 18.9 question 52
Answer: $-\cos \left(\tan ^{-1} x\right)+c$Indefinite Integrals exercise 18.9 question 53
Answer: $-\cos (\log x)+c$Indefinite Integrals exercise 18 .9 question 54
Answer: $\frac{1}{m} e^{m \tan ^{-1} x}+c$Indefinite Integrals exercise 18.9 question 55
Answer: $\frac{1}{6 a^{2}}\left[\left(x^{2}+a^{2}\right)^{\frac{3}{2}}-\left(x^{2}-a^{2}\right)^{\frac{3}{2}}\right]+c$Indefinite Integrals exercise 18.9 question 56
Answer:$\int \frac{x \tan ^{-1} x^{2}}{1+x^{4}} d x$Indefinite Integrals exercise 18.9 question 57
Answer: $\frac{1}{4}\left(\sin ^{-1} x\right)^{4}+c$Indefinite Integrals exercise 18.9 question 58
Answer: $-\frac{1}{3} \cos (2+3 \log x)+c$Indefinite Integrals exercise 18.9 question 59
Answer: $\frac{1}{2} e^{x^{2}}+c$Indefinite Integrals exercise 18.9 question 60
Answer: $1+e^{x}-\log \left|1+e^{x}\right|+c$Indefinite Integrals exercise 18.9 question 61
Answer:$2 \tan (\sqrt{x})+c$Indefinite Integrals exercise 18.9 question 63
Answer: $(x+1)+2 \sqrt{x+1}-2 \tan ^{-1}(\sqrt{x+1})-2 \log |x+2|+c$Indefinite Integrals exercise 18.9 question 64
Answer: $\frac{1}{(\log 5)^{3}} \cdot 5^{5^{5^{x}}}+c$Indefinite Integrals exercise 18.9 question 65
Answer: $\frac{1}{2} \sec ^{-1}\left(x^{2}\right)+c$Indefinite Integrals exercise 18.9 question 66
Answer: $2 \sqrt{e^{x}-1}-2 \tan ^{-1}\left(\sqrt{e^{x}-1}\right)+c$Indefinite Integrals exercise 18.9 question 67
Answer: $\log \left|\frac{x+1}{\sqrt{x^{2}+2 x+2}}\right|+c$Indefinite Integrals exercise 18.9 question 68
Answer: $\frac{2}{9}\left(1+x^{3}\right)^{\frac{3}{2}}-\frac{2}{3}\left(1+x^{3}\right)^{\frac{1}{2}}+c$Indefinite Integrals exercise 18.9 question 69
Answer: $-\frac{20}{3}\left(5-x^{2}\right)^{\frac{3}{2}}+\frac{4}{5}\left(5-x^{2}\right)^{\frac{5}{2}}+c$Indefinite Integrals exercise 18.9 question 70
Answer: $\frac{1}{2} \log |1+\sqrt{x}|+c$Indefinite Integrals exercise 18.9 question 71
Answer:$-\left(1+\frac{1}{x^{4}}\right)^{\frac{1}{4}}+c$Indefinite Integrals exercise 18.9 question 72
Answer: $\frac{1}{3 \cos ^{2} x}-\cos x-\frac{2}{\cos x}+c$RD Sharma Class 12th Exercise 18.9 is the best source for students to score good marks in exams. These are the following benefits of this material:
1. Latest Version
RD Sharma books are updated to a new version every year. This material provided by Career360 contains the latest version which means that All the solutions provided are from the newest version of the book and contain all the new concepts.
2. Prepared by experts
Every solution from RD Sharma Class 12th Exercise 18.9 material undergoes a multistep checking process that ensures that every answer is clear and easy to understand. Additionally, as a group of subject experts prepare this material, students can trust its accuracy and use it to prepare for their exams. As there are different ways to solve a problem in maths, students can figure out various methods and choose which one suits them the best.
3. Helpful for homework
'Indefinite Integrals' is a vast chapter containing hundreds of sums. It becomes apparent that they would get a lot of homework from it and spend a lot of time practicing every concept. Career360 has provided RD Sharma Class 12th Exercise 18.9 solutions to help students better understand the concepts of this chapter.
4. Time-saving
Most students try to solve each and every question manually, thinking that they could only understand the topic after completing all of them. This requires a lot of effort and does not let students to focus on other topics. Instead, students should solve questions until they understand the concept. After completing, they can refer to the solutions to analyze every question, thereby saving precious time before the exam.
5. Available for free
The main advantage of RD Sharma Class 12 Chapter 18 Exercise 18.9 solutions is that it is available for free on Career360’s website. Students can access this material on any device using just a browser and internet connection.
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