$\frac{1 + x}{1!} + \frac{(1 + x)^2}{2!} + \frac{(1 + x)^3}{3!} + \dots$ ના વિસ્તરણમાં $x^n$ નો સહગુણક શું હશે?

  • A
    $\frac{1}{n!}$
  • B
    $\frac{1}{n!} + \frac{1}{(n + 1)!}$
  • C
    $\frac{e}{n!}$
  • D
    $e \left[ \frac{1}{n!} + \frac{1}{(n + 1)!} \right]$

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Similar Questions

અનંત શ્રેણી $1 + 2 + \frac{1}{2!} + \frac{2}{3!} + \frac{1}{4!} + \frac{2}{5!} + \dots$ નો સરવાળો કેટલો થાય?

$a>0, x \in R$ માટે પદાવલિ $\begin{aligned} & 1+x \log _e a+\frac{x^2}{2 !}\left(\log _e a\right)^2+\frac{x^3}{3 !}\left(\log _e a\right)^3+\ldots \end{aligned}$ કોના બરાબર છે?

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

$(e^x - 1)^2$ ના વિસ્તરણમાં $x^4$ નો સહગુણક શું હશે?

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

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