$\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
    આમાંથી કોઈ નહીં

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$\frac{e^{7x} + e^{3x}}{e^{5x}}$ ના વિસ્તરણમાં,અચળ પદ કયું છે?

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