જો $C_{0} + 5 \cdot C_{1} + 9 \cdot C_{2} + \ldots + (101) \cdot C_{25} = 2^{25} \cdot k$ હોય,તો $k$ ની કિંમત શોધો:

  • A
    $42$
  • B
    $45$
  • C
    $51$
  • D
    $48$

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Similar Questions

સરવાળો શોધો: $\left( \binom{21}{1} - \binom{10}{1} \right) + \left( \binom{21}{2} - \binom{10}{2} \right) + \left( \binom{21}{3} - \binom{10}{3} \right) + \dots + \left( \binom{21}{10} - \binom{10}{10} \right) = $

જો $(1 + x + x^2)^{25} = a_0 + a_1x + a_2x^2 + ..... + a_{50}x^{50}$ હોય,તો $a_0 + a_2 + a_4 + ..... + a_{50}$ એ :

$2 \le r \le n$ માટે,$\binom{n}{r} + 2\binom{n}{r-1} + \binom{n}{r-2}$ ની કિંમત શોધો.

ધારો કે $c_0, c_1, c_2, \ldots, c_n$ એ $(1+x)^n$ ના વિસ્તરણમાં દ્વિપદી સહગુણકો છે. જો $S_{n+1} = 5 \cdot c_0 + 8 \cdot c_1 + 11 \cdot c_2 + \ldots$ ($n+1$ પદો),તો $S_{11} =$

જો $C_j = {}^{n}C_j$ હોય,તો $C_0 C_r + C_1 C_{r+1} + C_2 C_{r+2} + \ldots + C_{n-r} C_n = $

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