यदि $y = \sin^{-1}\left(\frac{\log x^2}{1+(\log x)^2}\right)$ है,तो $\left(\frac{dy}{dx}\right)_{x=1} = $

  • A
    $2$
  • B
    $\frac{1}{2}$
  • C
    $\frac{2}{3}$
  • D
    $-2$

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