Ex 7.9, 13 - Direct Integrate x dx / x2 + 1 from 2 to 3 - Ex 7.9

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  1. Chapter 7 Class 12 Integrals
  2. Serial order wise

Transcript

Ex7.9, 13 2 3 2+1 Step 1 :- Let F = 2 + 1 Let 2 + 1= Differentiating w.r.t. 2 +1 = 2 = d = 2 Putting Values of 2 +1= & = 2 2 + 1 = 2 = 1 2 = 1 2 = 1 2 2 +1 Hence F = 1 2 2 +1 Step 2 :- 2 3 2 +1 = 3 2 = 1 2 3 2 +1 1 2 2 2 +1 = 1 2 log 10 1 2 5 = 1 2 log 10 log 5 = 1 2 10 5 =

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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.