समाकलन $\int \limits_{1 / 2}^2 \frac{\tan ^{-1} x}{x} d x$ का मान ज्ञात कीजिए।

  • A
    $\pi \log _e 2$
  • B
    $\frac{1}{2} \log _{ e } 2$
  • C
    $\frac{\pi}{4} \log _e 2$
  • D
    $\frac{\pi}{2} \log _{ e } 2$

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