$\sum\limits_{n = 1}^\infty {\frac{{^n{C_0} + ... + ^n{C_n}}}{{^n{P_n}}}} $ ની કિંમત શોધો.

  • A
    $e^2$
  • B
    $e$
  • C
    $e^2 - 1$
  • D
    $e - 1$

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Similar Questions

$1+\frac{1+2}{2 !}+\frac{1+2+2^2}{3 !}+\ldots$ ની કિંમત શોધો.

$a>0, x \in R$ માટે પદાવલિ $\begin{aligned} & 1+x \log _e a+\frac{x^2}{2 !}\left(\log _e a\right)^2+\frac{x^3}{3 !}\left(\log _e a\right)^3+\ldots \end{aligned}$ કોના બરાબર છે?

$b = 1 + \frac{{}^1 C_0 + {}^1 C_1}{1!} + \frac{{}^2 C_0 + {}^2 C_1 + {}^2 C_2}{2!} + \frac{{}^3 C_0 + {}^3 C_1 + {}^3 C_2 + {}^3 C_3}{3!} + \ldots$
ધારો કે $a = 1 + \frac{{}^2 C_2}{3!} + \frac{{}^3 C_2}{4!} + \frac{{}^4 C_2}{5!} + \ldots$. તો $\frac{2b}{a^2}$ ની કિંમત શોધો.

$\frac{1-2x}{e^x}$ માં $x^n$ નો સહગુણક શું છે?

$\frac{1}{2!} + \frac{1+2}{3!} + \frac{1+2+3}{4!} + \ldots$ ની કિંમત શોધો :

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