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

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

A

`0`

B

`1`

C

`sqrt(3) //2`

D

`sqrt(5)//2`

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The correct Answer is:
A
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