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

  • A
    $\frac{e^4 + e^{-4}}{4}$
  • B
    $\frac{e^4 - e^{-4}}{4}$
  • C
    $\frac{e^4 + e^{-4}}{8}$
  • D
    $\frac{e^4 - e^{-4}}{8}$

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Similar Questions

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

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

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

$e^{2x}$ ના વિસ્તરણમાં $x^{6}$ નો સહગુણક શોધો:

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

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