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RD Sharma - Volume 1

19. Indefinite Integrals

Exercise 19.2

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Exercise 19.3

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Exercise 19.4

Exercise 19.5

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Exercise 19.6

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Exercise 19.7

Exercise 19.8

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Exercise 19.9

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Exercise 19.10

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Exercise 19.11

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Exercise 19.12

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Exercise 19.13

Exercise 19.14

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Exercise 19.15

Exercise 19.16

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Exercise 19.17

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Exercise 19.18

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Exercise 19.19

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Exercise 19.20

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Exercise 19.21

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Exercise 19.22

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Exercise 19.23

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Exercise 19.24

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Exercise 19.25

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Exercise 19.26

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Exercise 19.27

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Exercise 19.28

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Exercise 19.29

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Exercise 19.30

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Exercise 19.31

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Exercise 19.32

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Very short answer

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MCQ

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Revision exercise

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Q. 21

Evaluate the foll

Class 12th RD Sharma - Volume 1 19. Indefinite Integrals

Answer :

Here (4x + 2) can be written as 2(2x + 1).

Now assume, x² + x + 1 = t

d(x² + x + 1) = dt

(2x + 1)dx = dt

⇒

⇒

⇒

⇒

But t = x² + x + 1

⇒ .

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