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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Similar Questions

જો $C_r = { }^n C_r$ હોય,તો $C_0 + C_4 + C_8 + C_{12} + \ldots$ નો સરવાળો શોધો.

$\sum\limits_{k = 0}^{10} {^{20}{C_k} = }$

જો $n$ એક ધન પૂર્ણાંક હોય,તો $\sum_{r=1}^n r \cdot C_r =$

જો $^nC_0 + \frac{1}{2} ^nC_1 + \frac{1}{3} ^nC_2 + \dots + \frac{1}{n+1} ^nC_n = \frac{1023}{10}$ હોય, તો $n =$ શોધો.

જો $(\frac{1}{^{15}C_{0}}+\frac{1}{^{15}C_{1}})(\frac{1}{^{15}C_{1}}+\frac{1}{^{15}C_{2}})...(\frac{1}{^{15}C_{12}}+\frac{1}{^{15}C_{13}}) = \frac{a^{13}}{^{14}C_{0} \cdot ^{14}C_{1} \cdot ... \cdot ^{14}C_{12}}$ હોય, તો $30a$ ની કિંમત શોધો:

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