$\frac{1^2 \cdot 2}{1!} + \frac{2^2 \cdot 3}{2!} + \frac{3^2 \cdot 4}{3!} + \dots \infty = $ ($e$ માં)

  • A
    $6$
  • B
    $7$
  • C
    $8$
  • D
    $9$

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Similar Questions

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

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

ધારો કે $C(\theta) = \sum_{n=0}^{\infty} \frac{\cos(n\theta)}{n!}$. નીચેનામાંથી કયું વિધાન ખોટું છે?

શ્રેણી $\frac{2}{1!} + \frac{6}{2!} + \frac{12}{3!} + \frac{20}{4!} + \dots$ નો સરવાળો કેટલો થાય?

$\frac{e^2 + 1}{2e} = $

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