જો $y = 1 + \frac{x}{1!} + \frac{x^2}{2!} + \frac{x^3}{3!} + \dots \infty$ હોય,તો $x = $

  • A
    $\log_e y$
  • B
    $\log_e \frac{1}{y}$
  • C
    $e^y$
  • D
    $e^{-y}$

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Similar Questions

$1 + \frac{4^2}{3!} + \frac{4^4}{5!} + \dots \infty = $

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

$\frac{e^{7x} + e^x}{e^{3x}}$ ના વિસ્તરણમાં $x^n$ નો સહગુણક શું છે?

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

$\sum_{n=1}^{\infty} \frac{2n}{(2n+1)!}$ ની કિંમત શોધો.

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