`int((1+x)^2)/(x(1+x^2))dx`

A

(a) `logx+c`

B

(b) `(logx)(tan^(-1)x)+c`

C

(c) `2logx+tan^(-1)x+c`

D

(d) `logx+2tan^(-1)x+c`

Verified by Experts

The correct Answer is:

D

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