જો $f(x) = \tan^{-1}\left\{ \frac{\log(e/x^2)}{\log(ex^2)} \right\} + \tan^{-1}\left( \frac{3 + 2\log x}{1 - 6\log x} \right)$ હોય,તો $\frac{d^n y}{dx^n}$ શું થાય? $(n \ge 1)$

  • A
    $\tan^{-1}\{(\log x)^n\}$
  • B
    $0$
  • C
    $\frac{1}{2}$
  • D
    આમાંથી કોઈ નહીં

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