શ્રેણી $\frac{1}{1 \times 2} + \frac{1 \times 3}{1 \times 2 \times 3 \times 4} + \frac{1 \times 3 \times 5}{1 \times 2 \times 3 \times 4 \times 5 \times 6} + \dots \infty$ નો સરવાળો કેટલો થાય?

  • A
    $e^{1/2}$
  • B
    $e^{1/2} + e$
  • C
    $e^{1/2} - 1$
  • D
    $e^{1/2} - e$

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