# Ex 7.6, 3 - Chapter 7 Class 12 Integrals

Last updated at July 11, 2018 by Teachoo

Last updated at July 11, 2018 by Teachoo

Transcript

Ex 7.6, 3 𝑥2 𝑒𝑥 𝑥2 𝑒𝑥 𝑑𝑥 𝑥2 𝑒𝑥 𝑑𝑥 = 𝑥2 𝑒𝑥𝑑𝑥− 𝑑 𝑥2𝑑𝑥 𝑒𝑥 𝑑𝑥𝑑𝑥 = 𝑥2. 𝑒𝑥 − 2𝑥 . 𝑒𝑥𝑑𝑥 = 𝑥2. 𝑒𝑥 −2 𝑥 . 𝑒𝑥𝑑𝑥 Thus, our equation becomes ∴ 𝑥2 𝑒𝑥 𝑑𝑥= 𝑥2. 𝑒𝑥 −2 𝑥 . 𝑒𝑥𝑑𝑥 = 𝑥2. 𝑒𝑥 −2 𝑥 𝑒𝑥𝑑𝑥− 𝑑𝑥𝑑𝑥 𝑒𝑥𝑑𝑥𝑑𝑥 = 𝑥2. 𝑒𝑥 −2 𝑥 𝑒𝑥− 1. 𝑒𝑥𝑑𝑥 = 𝑥2. 𝑒𝑥 −2 𝑥 𝑒𝑥− 𝑒𝑥+𝐶 = 𝑥2. 𝑒𝑥 −2𝑥 𝑒𝑥− 2𝑒𝑥+𝐶 =𝒆𝒙 𝒙𝟐−𝟐𝒙+𝟐+𝑪

Ex 7.6

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Ex 7.6, 3 You are here

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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.