समाकलन $I = \int_{1/2014}^{2014} \frac{\tan^{-1} x}{x} dx$ का मान है

  • A
    $\frac{\pi}{4} \log 2014$
  • B
    $\frac{\pi}{2} \log 2014$
  • C
    $\pi \log 2014$
  • D
    $\frac{1}{2} \log 2014$

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