${\frac{{[4 + \sqrt{15}]}^{3/2} + {[4 - \sqrt{15}]}^{3/2}}{{[6 + \sqrt{35}]}^{3/2} - {[6 - \sqrt{35}]}^{3/2}}} = $

  • A
    $1$
  • B
    $7/13$
  • C
    $13/7$
  • D
    इनमें से कोई नहीं

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