$\lim _{x \rightarrow 0} \frac{x 2^{x}-x}{1-\cos x}$ ની કિંમત શોધો.

  • A
    $2 \log 2$
  • B
    $\log 2$
  • C
    $\frac{1}{2} \log 2$
  • D
    $\frac{1}{2}$

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