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

  • A
    $e$
  • B
    $2e$
  • C
    $3e$
  • D
    આમાંથી કોઈ નહીં

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$1 - \log 2 + \frac{(\log 2)^2}{2!} - \frac{(\log 2)^3}{3!} + \dots$ ની કિંમત શોધો.

$\sum_{n=1}^{\infty} \frac{2n}{(2n+1)!}$ ની કિંમત શોધો.

$\frac{2}{1!}(\log_e 2) + \frac{2^2}{2!}(\log_e 2)^2 + \frac{2^3}{3!}(\log_e 2)^3 + \dots \infty = $

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

શ્રેણી $\frac{1}{2!} - \frac{1}{3!} + \frac{1}{4!} - \dots$ નો અનંત સુધીનો સરવાળો કેટલો થાય?

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