Find ∫xe (1 + x^2)  dx.

Find Integral ∫ x e^(1 + x^2)  dx.- Teachoo - CBSE Class 12 Sample Pap

Question 19 - CBSE Class 12 Sample Paper for 2020 Boards - Part 2

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Transcript

Question 19 Find ∫1 xe(1 + x2) dx. ∫1 xe(1 + x2) dx. Let t = 1 + x2 dt = 2x dx 𝑑𝑡/2 = x dx Putting value of t and dt in equation ∫ 𝑥𝑒^((1 + 𝑥^2)) 𝑑𝑥 = ∫1 𝑒^𝑡 𝑑𝑡/2 = 1/2 ∫1 𝑒^𝑡 𝑑𝑡 = 1/2 𝑒^𝑡+𝐶 Putting back t = (1 + x2) = 𝟏/𝟐 𝒆^((𝟏 + 𝒙^𝟐))+𝑪

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.