ધારો કે $m, n \in \mathbb{N}$ અને $\operatorname{gcd}(2, n)=1$. જો $30\binom{30}{0} + 29\binom{30}{1} + \ldots + 2\binom{30}{28} + 1\binom{30}{29} = n \cdot 2^m$ હોય,તો $n + m$ ની કિંમત શોધો. (અહીં $\binom{n}{k} = {^nC_k}$)

  • A
    $45$
  • B
    $56$
  • C
    $42$
  • D
    $36$

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