If $f(x) = \int\limits_0^x {\frac{1}{{\sqrt {1 + {t^3}} }}\,} dt$ and $h(x)$ is the inverse of $f(x)$,then the value of $\frac{{h''(x)}}{{{h^2}(x)}}$ is

  • A
    $\frac{2}{3}$
  • B
    $\frac{3}{2}$
  • C
    $\frac{3}{4}$
  • D
    $3$

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