Mathematics

Integrate:
$$ \int _{ 0 }^{ \infty  }{ \dfrac { x\tan ^{ -1 }{ x }  }{ { (1+{ x }^{ 2 }) }^{ 2 } }  } dx$$ equals ?


ANSWER

$$\pi/8$$


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Single Correct Medium Published on 17th 09, 2020
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