જો $x=1+\frac{1}{2 \times 1 !}+\frac{1}{4 \times 2 !}+\frac{1}{8 \times 3 !}+\ldots$ અને $y=1+\frac{x^{2}}{1 !}+\frac{x^{4}}{2 !}+\frac{x^{6}}{3 !}+\ldots$ હોય,તો $\log_{e} y$ ની કિંમત શોધો.

  • A
    $e$
  • B
    $e^{2}$
  • C
    $1$
  • D
    $\frac{1}{e}$

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