$1.5 + \frac{2.6}{1!} + \frac{3.7}{2!} + \frac{4.8}{3!} + \dots$ ની કિંમત શોધો.

  • A
    $13e$
  • B
    $15e$
  • C
    $9e + 1$
  • D
    $5e$

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Similar Questions

$1 + \frac{{\log_e x}}{{1!}} + \frac{{(\log_e x)^2}}{{2!}} + \frac{{(\log_e x)^3}}{{3!}} + \dots \infty = $

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

$\sum_{r=2}^{\infty} \frac{1+2+\dots+(r-1)}{r !}$ ની કિંમત શોધો:

જો $\cosh (x-\log 3)=\sinh x$ હોય,તો $x=$

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.

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