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int(0)^(1)tan^(-1)(1-x+x^(2))dx=...

`int_(0)^(1)tan^(-1)(1-x+x^(2))dx=`

A

`(pi)/(2)`

B

`(pi)/(4)`

C

`ln2`

D

`(pi)/(2)-ln2`

Text Solution

Verified by Experts

The correct Answer is:
C
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