# Ex 7.6, 1 - Chapter 7 Class 12 Integrals

Last updated at Sept. 25, 2018 by Teachoo

Last updated at Sept. 25, 2018 by Teachoo

Transcript

Ex 7.6, 1 - Chapter 7 Class 12 Integration - NCERT Book Integrate x sin x β« x sin x dx | | Algebraic Trigonometric We solve this by Integration by parts We know that β« f(x) g(x) dx = f(x) β«π(π₯) ππ₯ β β«(πβ² (π₯) β« π(π₯) ππ₯) ππ₯ Putting f(x) = x and g(x) = sin x β«1βγπ₯ sinβ‘π₯ γ ππ₯=π₯ β«1βsinβ‘π₯ ππ₯ββ«1β(π(π₯)/ππ₯ β«1βγsinβ‘π₯ ππ₯γ) ππ₯ = β π₯ cosβ‘π₯ β β«1βγβcosβ‘γπ₯ ππ₯γ γ = β π₯ cosβ‘π₯+ β«1βγcosβ‘π₯+πΆγ = β π πππβ‘π+πππβ‘π+πͺ

Ex 7.6

Ex 7.6, 1
You are here

Ex 7.6, 2

Ex 7.6, 3

Ex 7.6, 4

Ex 7.6, 5

Ex 7.6, 6

Ex 7.6, 7 Important

Ex 7.6, 8

Ex 7.6, 9

Ex 7.6, 10

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

Ex 7.6, 18 Important

Ex 7.6, 19

Ex 7.6, 20

Ex 7.6, 21

Ex 7.6, 22 Important

Ex 7.6, 23

Ex 7.6, 24 Important

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.