$\frac{1 + \frac{2^2}{2!} + \frac{2^4}{3!} + \frac{2^6}{4!} + \dots \infty}{1 + \frac{1}{2!} + \frac{2}{3!} + \frac{2^2}{4!} + \dots \infty} = $

  • A
    $e^2$
  • B
    $e^2 - 1$
  • C
    $e^{3/2}$
  • D
    इनमें से कोई नहीं

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Similar Questions

$\sum_{r=2}^{\infty} \frac{1+2+\dots+(r-1)}{r !}$ का मान ज्ञात कीजिए:

$\frac{2\frac{1}{2}}{1!} + \frac{3\frac{1}{2}}{2!} + \frac{4\frac{1}{2}}{3!} + \frac{5\frac{1}{2}}{4!} + \dots \infty$ का मान क्या है?

$\frac{e^{5x} + e^x}{e^{3x}}$ के विस्तार में,$x^4$ का गुणांक क्या है?

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

यदि ${T_n} = \frac{{{3^n}}}{{2(n!)}} - \frac{1}{{2(n!)}}$ है,तो ${S_\infty } = $

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