જો $f(1) = 1$ અને $f'(1) = 2$ હોય,તો $\mathop {\lim }\limits_{x \to 1} \frac{{\sqrt {f(x)} - 1}}{{\sqrt x - 1}}$ ની કિંમત શોધો.

  • A
    $2$
  • B
    $4$
  • C
    $1$
  • D
    $1/2$

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