Exercise 19.1 Page No: 19...RD Sharma Solutions for Class 12 Maths Chapter 19 Indefinite Integrals Exercise 19.1 Page No: 19.4 1. Evaluate the following integrals: Solution: Given

RD Sharma Solutions for Class 12 Maths Chapter 19

Indefinite Integrals

Exercise 19.1 Page No: 19.4 1. Evaluate the following integrals:

Solution: Given

Solution: Given

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Exercise 19.2 Page No: 19.14 Evaluate the following integrals (1 - 44):

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Exercise 19.3 Page No: 19.23

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Exercise 19.7 Page No: 19.38 Integrate the following integrals:

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Exercise 19.8 Page No: 19.47 Evaluate the following integrals:

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Solution: Let sin x = t





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We will solve I1 and I2 individually.









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⇒ 1 = (A + B) x + (3A – 2B) ⇒ Then A + B = 0 … (1) And 3A – 2B = 1 … (2) Solving (1) and (2), 2 × (1) → 2A + 2B = 0 1 × (2) → 3A – 2B = 1 5A = 1 ∴ A = 1/5





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Exercise 19.1 Page No: 19...RD Sharma Solutions for Class 12 Maths Chapter 19 Indefinite Integrals Exercise 19.1 Page No: 19.4 1. Evaluate the following integrals: Solution: Given