$(2+3x)e^{-x}$ ના વિસ્તરણમાં $x^{10}$ નો સહગુણક શું છે?

  • A
    $\frac{-26}{10!}$
  • B
    $\frac{-28}{10!}$
  • C
    $\frac{-30}{10!}$
  • D
    $\frac{-32}{10!}$

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Similar Questions

$\frac{1}{1!} + \frac{4}{2!} + \frac{7}{3!} + \frac{10}{4!} + \dots \infty = $

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

$\frac{2\frac{1}{2}}{1!} + \frac{3\frac{1}{2}}{2!} + \frac{4\frac{1}{2}}{3!} + \frac{5\frac{1}{2}}{4!} + \dots \infty$ ની કિંમત શું છે?

$\sum_{k=1}^{\infty} \frac{1}{k !} \left(\sum_{n=1}^k 2^{n-1}\right)$ ની કિંમત શોધો.

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

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