જો $(1 + x)^n = C_0 + C_1x + C_2x^2 + ... + C_nx^n$ હોય,તો $C_0 + C_2 + C_4 + C_6 + ...$ ની કિંમત શું થાય?

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

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Similar Questions

$^nC_0 - \frac{1}{2} ^nC_1 + \frac{1}{3} ^nC_2 - \dots + (-1)^n \frac{^nC_n}{n+1} = $

Difficult
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જો ${S_n} = \sum\limits_{r = 0}^n {\frac{1}{{^n{C_r}}}} $ અને ${t_n} = \sum\limits_{r = 0}^n {\frac{r}{{^n{C_r}}}} $ હોય,તો $\frac{{{t_n}}}{{{S_n}}}$ ની કિંમત શું થાય?

$\sum\limits_{r = 0}^m {^{n + r}{C_n} = } $

Difficult
View Solution

જો $n$ એ ધન પૂર્ણાંક હોય કે જેથી $n \ge 3$,તો શ્રેણી $1 \cdot n - \frac{(n - 1)}{1!} (n - 1) + \frac{(n - 1)(n - 2)}{2!} (n - 2) - \frac{(n - 1)(n - 2)(n - 3)}{3!} (n - 3) + \dots$ ના $n$ પદોનો સરવાળો કેટલો 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.

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