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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Transcript

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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.