જો $(1 + x)^n = C_0 + C_1x + C_2x^2 + .... + C_nx^n$ હોય,તો $C_0 + 2C_1 + 3C_2 + .... + (n + 1)C_n$ ની કિંમત શું થશે?

  • A
    $(n + 2)2^{n - 1}$
  • B
    $(n + 1)2^n$
  • C
    $(n + 1)2^{n - 1}$
  • D
    $(n + 2)2^n$

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Similar Questions

જો $n$ એ $1$ કરતા મોટો પૂર્ણાંક હોય,તો $a - ^nC_1(a - 1) + ^nC_2(a - 2) + \dots + (-1)^n(a - n) = $

$\sum_{r=0}^{6} \left({}^{6}C_{r} \cdot {}^{6}C_{6-r}\right)$ નું મૂલ્ય કેટલું થાય?

જો $(1+x)^n = C_0 + C_1 x + C_2 x^2 + \ldots + C_n x^n$ હોય,તો $C_0 + 2 C_1 + 3 C_2 + \ldots + (n+1) C_n$ ની કિંમત શોધો.

$^nC_0, ^nC_1, ^nC_2, \dots, ^nC_n$ નો સમાંતર મધ્યક શોધો.

જો ${ }^{n} C_0+\frac{1}{2}{ }^{n} C_1+\frac{1}{3}{ }^{n} C_2+\ldots+\frac{1}{n+1}{ }^{n} C_{n}=\frac{1023}{10}$ હોય,તો $n=$

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