$\lim _{x \rightarrow 0} \frac{15^{x}-5^{x}-3^{x}+1}{1-\cos 2 x}$ का मान है

  • A
    $\frac{(\log 3)(\log 5)}{2}$
  • B
    $2(\log 3)(\log 5)$
  • C
    $\frac{\log 3+\log 5}{2}$
  • D
    इनमें से कोई नहीं

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