# Ex 7.6, 17 - Chapter 7 Class 12 Integrals

Last updated at April 16, 2024 by Teachoo

Ex 7.6

Ex 7.6, 1

Ex 7.6, 2 Important

Ex 7.6, 3

Ex 7.6, 4

Ex 7.6, 5 Important

Ex 7.6, 6

Ex 7.6, 7 Important

Ex 7.6, 8

Ex 7.6, 9

Ex 7.6, 10 Important

Ex 7.6, 11

Ex 7.6, 12

Ex 7.6, 13 Important

Ex 7.6, 14 Important

Ex 7.6, 15

Ex 7.6, 16

Ex 7.6, 17 You are here

Ex 7.6, 18 Important

Ex 7.6, 19

Ex 7.6, 20 Important

Ex 7.6, 21

Ex 7.6, 22 Important

Ex 7.6, 23 (MCQ)

Ex 7.6, 24 (MCQ) Important

Last updated at April 16, 2024 by Teachoo

Ex7.6, 17 𝑥𝑒𝑥 1 + 𝑥2 𝑥 𝑒𝑥 1 + 𝑥2 𝑑𝑥 = 𝑒𝑥 𝑥 1 + 𝑥2 𝑑𝑥 = 𝑒𝑥 𝑥 + 1 − 1 1 + 𝑥2 𝑑𝑥 = 𝑒𝑥 1 + 𝑥 1 + 𝑥2 − 1 1 + 𝑥2 𝑑𝑥 = 𝑒𝑥 1 1 + 𝑥 − 1 1 + 𝑥2 𝑑𝑥 Putting, 𝑓 𝑥= 11 + 𝑥 ∴ 𝑓′ 𝑥= − 1 1 + 𝑥2 𝑒𝑥 11 + 𝑥 − 1 1 + 𝑥2 𝑑𝑥 = 𝒆𝒙𝟏 + 𝒙+𝑪