$x > 0$ અને $(x \log x) < 1$ માટે, જો $y = \cot^{-1} \left( \frac{x - \log x}{x^2 \log_e x^2 + \log x^x} \right)$, તો $\frac{dy}{dx} = \dots$

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

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