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int(0)^(oo)(xdx)/((1+x)(1+x^(2)))=...

`int_(0)^(oo)(xdx)/((1+x)(1+x^(2)))=`

A

`oo`

B

`pi/4`

C

`-pi/4`

D

`pi/2`

Text Solution

Verified by Experts

The correct Answer is:
B
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