∫(x 2 +4x+4)/(x 2 +5x+7)(x+2)½



1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear tejas akole



let x+2 =t2

dx =2 tdt



=2t-2∫(1+1/t2)dt/{(t-1/t)2 +3}

now put (t-1/t) =u


=2t-2∫du/(u2+3)   +c

now solve and put tha value ou u and t in terms of x

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