Ex 7.2, 9 - Integrate (4x + 2) root(x2 + x + 1) - Ex 7.2

Ex 7.2, 9 - Chapter 7 Class 12 Integrals - Part 2
Ex 7.2, 9 - Chapter 7 Class 12 Integrals - Part 3

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Ex 7.2, 9 Integrate the function: (4 + 2) 2+ +1 Step 1: Let 2 + +1 = Differentiating both sides . . . 2 +1+0= 2 +1= = 2 +1 Step 2: Integrating the function (4 + 2) 2+ +1 . = 2(2 +1) 2+ +1 . Putting 2+ +1= & = 2 +1 = 2(2 +1) . 2 +1 = 2 . = 2 . = 2 1 2 . = 2 . 1 2 + 1 1 2 + 1 + = 2 . 3 2 3 2 + = 2 . 2 3 . 3 2 + = 4 3 . 3 2 + = . + + +

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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