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int(2x+3)/((x-1)(x^2+1))dx =loge{(x-1)^(...

`int(2x+3)/((x-1)(x^2+1))dx =log_e{(x-1)^(5/2)(x^2+1)^a-1/2 tan^-1 x+C,x > 1` where `C` is any arbitrary constant, then the value of '`a'` is

A

`(5)/(4)`

B

`-(5)/(3)`

C

`-(5)/(6)`

D

`-(5)/(4)`

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