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If int tan^(-1)x dx=xtan^(-1)x+k log(1+x...

If `int tan^(-1)x dx=xtan^(-1)x+k log(1+x^(2))+C`, then the value of k is-

A

2

B

`-2`

C

`(1)/(2)`

D

`-(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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Integrate : int xtan^(-1)x dx