Q. 54.1( 34 Votes )

Integrate the rat

Answer :

Let

2x = A(x + 2)+ B(x + 1) …(1)


Substituting x = -1 and -2 respectively in equation (1), we get,


A = -2, B = 4


Thus,




= 4log|x + 2| -2log|x + 1| + C


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