Ex 7.1, 17 - Chapter 7 Class 12 Integrals
Last updated at Dec. 16, 2024 by Teachoo
Using Trignometric Formulaes
Last updated at Dec. 16, 2024 by Teachoo
Ex 7.1, 17 2 𝑥2−3 sin𝑥+5 𝑥 𝑑𝑥 2 𝑥2−3 sin𝑥+5 𝑥 𝑑𝑥 =2 𝑥2𝑑𝑥−3 sin𝑥𝑑𝑥+5 𝑥𝑑𝑥 =2 𝑥2𝑑𝑥−3 sin𝑥𝑑𝑥+5 𝑥 12𝑑𝑥 = 2 𝑥2+12 + 1 −3 −cos𝑥+ 5 𝑥 12 + 1 12 + 1+𝐶 = 2 𝑥33+3 cos𝑥+ 5 𝑥 32 32+𝐶 = 2 𝑥33+3 cos𝑥+ 5 × 2 𝑥 323+𝐶 = 𝟐 𝒙𝟑𝟑+𝟑 𝒄𝒐𝒔𝒙+ 𝟏𝟎 𝒙 𝟑𝟐𝟑+𝑪