Mathematics

Evaluate: $$\displaystyle\int_{ 0 }^{ \pi }{ \dfrac { xtanx }{ \sec { x } +\cos { x }  }  } dx$$ is


ANSWER

$$\dfrac { { \pi }^{ 2 } }{ 4 }$$


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Single Correct Medium Published on 17th 09, 2020
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