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Calculus Level 4

$\large \int_0^{\pi /2} \dfrac x {\tan x} \, dx = \, ?$

None of these choices

\frac { \pi }{ 4 } \ln { \frac { 3 }{ 2 } }

\frac { \pi \sqrt { 2 } }{ 3 }

\frac { \pi }{ 2 } \ln { 2 }

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by Mohammad Hamdar

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