Example 11 - Find integral dx / (x + 1) (x + 2) - Integration by partial fraction - Type 1

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  1. Chapter 7 Class 12 Integrals
  2. Serial order wise
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Example 11 Find + 1 + 2 Using partial functions 1 ( + 1)( + 2) = A + 1 + B + 2 1 = (x + 2)A + (x + 1)B 1 = x (A + B) + 2A + B Thus, B = A = 1 Thus our equation becomes, + 1 ( + 2) = 1 + 1 1 + 2 = log +1 log +2 + C = log + + + C

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.