ધારો કે $\sum_{n=0}^{\infty} \frac{n^3((2n)!) + (2n-1)(n!)}{(n!)((2n)!)} = ae + \frac{b}{e} + c$,જ્યાં $a, b, c \in \mathbb{Z}$ અને $e = \sum_{n=0}^{\infty} \frac{1}{n!}$. તો $a^2 - b + c$ ની કિંમત $................$ છે.

  • A
    $25$
  • B
    $24$
  • C
    $23$
  • D
    $26$

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Similar Questions

$a>0, x \in R$ 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?

$\sum_{k=1}^{\infty} \frac{1}{k !} \left(\sum_{n=1}^k 2^{n-1}\right)$ ની કિંમત શોધો.

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

જો ${T_n} = \frac{{{3^n}}}{{2(n!)}} - \frac{1}{{2(n!)}}$ હોય,તો ${S_\infty } = $

$\frac{2}{1!} + \frac{4}{3!} + \frac{6}{5!} + \frac{8}{7!} + \dots \infty = $

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