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

Example 11 - Chapter 7 Class 12 Integrals - Part 2

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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 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