Let $g$ be the inverse function of $f$ and $f'(x) = \frac{x^{10}}{1 + x^2}$. If $g(2) = a$,then $g'(2)$ is equal to:

  • A
    $\frac{5}{a^{10}}$
  • B
    $\frac{1 + a^2}{a^{10}}$
  • C
    $\frac{a^{10}}{1 + a^2}$
  • D
    $\frac{1 + a^{10}}{a^2}$

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