Ex 7.6, 6 - Integrate x2 log x - Chapter 7 Class 12 - Ex 7.6

Ex 7.6, 6 - Chapter 7 Class 12 Integrals - Part 2

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Ex7.6, 6 𝑥2 log﷮𝑥﷯ ﷮﷮ 𝑥﷮2﷯ log﷮𝑥﷯﷯ 𝑑𝑥 Hence, by ILATE First function :- 𝑓 𝑥﷯= log﷮𝑥﷯ Second function :- g 𝑥﷯= 𝑥﷮2﷯ ﷮﷮ 𝑥﷮2﷯ log﷮ 𝑥﷯﷯﷯ 𝑑𝑥 = ﷮﷮ log﷮𝑥﷯﷯ 𝑥﷮2﷯﷯𝑑𝑥 = log﷮𝑥﷯ ﷮﷮ 𝑥﷮2﷯﷯𝑑𝑥− ﷮﷮ 𝑑 log﷮𝑥﷯﷯﷮𝑑𝑥﷯ ﷮﷮ 𝑥﷮2﷯.𝑑𝑥﷯﷯𝑑𝑥﷯ = log﷮𝑥﷯ 𝑥﷮3﷯﷮3﷯− ﷮﷮ 1﷮𝑥﷯ . 𝑥﷮3﷯﷮3﷯. 𝑑𝑥﷯ = 𝑥﷮3﷯﷮3﷯ log﷮𝑥﷯− ﷮﷮ 𝑥﷮2﷯﷮3﷯ 𝑑𝑥﷯ = 𝑥﷮3﷯﷮3﷯ log﷮𝑥﷯− 1﷮3﷯ ﷮﷮ 𝑥﷮2﷯ 𝑑𝑥﷯ = 𝑥﷮3﷯﷮3﷯ log﷮𝑥﷯− 1﷮3﷯ 𝑥﷮3﷯﷮3﷯﷯+𝐶 = 𝒙﷮𝟑﷯﷮𝟑﷯ 𝒍𝒐𝒈﷮𝒙﷯− 𝒙﷮𝟑﷯﷮𝟗﷯ +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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo