$\lim _{x \rightarrow 0} \frac{x^2 2^x-x^2 \sin x-x^2}{3^x+\cos x-3^x \cos x-1}=$

  • A
    $\frac{1}{\log 3}(\log 2-1)$
  • B
    $\frac{4}{\log 3}(1-\log 2)$
  • C
    $\frac{4}{\log 3}(\log 2-1)$
  • D
    $\frac{2}{\log 3}(\log 2-1)$

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