NCERT Solutions for Class 12 Maths Chapter 7 Integrals — Exercise 7.4

Question 1:2 6 3 1 x x

Question 2:2 1 1 4 x

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Question 3:✓ 2 1 2 1 – x ✔

Question 4:2 1 9 25 – x

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Question 5:4 3 1 2 x x

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Question 6:2 6 1 x ✕ x

Question 7:2 1 1 x – x –

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Question 8:2 6 6 x x a

Question 9:2 2 sec

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Question 10:2 1 x x 2 2

Question 11:2 1 9 65 x x

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Question 12:2 1 7 6 – x–x

Question 13:1 x – x– 1 2

Question 14:2 1 8 3 x – x

Exercise 7.4 class 12 Math ncert solutions Chapter 7

Question 15: 1 x –a x–b

Question 16:2 4 1 2 3 x x x –

Integrate the functions in Exercises 1 to 23. 1.

Question 17:2 2 1 x x –

Question 18:2 5 2 12 3 x x x

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Question 19: 6 7 5 4 x x – x–

Question 20:2 2 4 x x – x

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Question 21:2 2 2 3 x x x

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Question 22:2 3 2 5 x x–x

Question 23:2 5 3 4 10 x x x . Choose the correct answer in Exercises 24 and 25

CBSE NCERT Solutions For Class 12 Integrals

Question 24:2 equals 2 2 dx x x (A) x tan–1 (x + 1) + C (B) tan–1 (x + 1) + C (C) (x + 1) tan–1x + C (D) tan–1x + C

Question 25:2 equals 9 4 dx x x (A) 1 98 –1 sin C 9 8 x (B) 1 89 –1 sin C 2 9 x (C) 1 98 –1 sin C 3 8 ✔ x ✓ ✕ ✖ ✗ ✘ ✚ (D) 1 98 –1 sin C 2 9