If $x \ln(\ln x) - x^2 + y^2 = 4$ where $y > 0$,then $\frac{dy}{dx}$ at $x = e$ is equal to

  • A
    $\frac{1 + 2e}{2\sqrt{4 + e^2}}$
  • B
    $\frac{2e - 1}{2\sqrt{4 + e^2}}$
  • C
    $\frac{1 + 2e}{\sqrt{4 + e^2}}$
  • D
    $\frac{e}{\sqrt{4 + e^2}}$

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