यदि $y = \tan(\log x)$ है,तो $\frac{d^2 y}{d x^2} =$

  • A
    $\frac{-\sec^2(\log x)[1 + 2 \tan(\log x)]}{x^2}$
  • B
    $\frac{\sec^2(\log x)[1 + \tan(\log x)]}{x^2}$
  • C
    $\frac{\sec^2(\log x)[2 \tan(\log x) - 1]}{x^2}$
  • D
    $\frac{\sec^2(\log x)[2 \tan(\log x) - 1]}{x^2}$

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