$f(x)$ is a differentiable function and given $f^{\prime}(2)=6$ and $f^{\prime}(1)=4$, then $L=\lim _{h \rightarrow 0} \frac{f\left(2+2 h+h^2\right)-f(2)}{f\left(1+h-h^2\right)-f(1)}$

  • A
    does not exist
  • B
    equal to -$3$
  • C
    equal to $3$
  • D
    equal to $3/2$

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