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

  • A
    $2e-1$
  • B
    $2e+1$
  • C
    $6e-1$
  • D
    $6e+1$

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Similar Questions

$1 + \frac{3}{1!} + \frac{5}{2!} + \frac{7}{3!} + ....\infty = $

શ્રેણી $\frac{1}{2 !} + \frac{1+2}{3 !} + \frac{1+2+3}{4 !} + \ldots$ નો સરવાળો કેટલો થાય?

$\frac{2}{3!} + \frac{4}{5!} + \frac{6}{7!} + \dots \infty = $

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

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

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