$e^{2x}$ ના વિસ્તરણમાં $x^{6}$ નો સહગુણક શોધો:

  • A
    $\frac{2}{45}$
  • B
    $\frac{7}{45}$
  • C
    $\frac{4}{45}$
  • D
    $\frac{1}{45}$

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Similar Questions

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

$b = 1 + \frac{{}^1 C_0 + {}^1 C_1}{1!} + \frac{{}^2 C_0 + {}^2 C_1 + {}^2 C_2}{2!} + \frac{{}^3 C_0 + {}^3 C_1 + {}^3 C_2 + {}^3 C_3}{3!} + \ldots$
ધારો કે $a = 1 + \frac{{}^2 C_2}{3!} + \frac{{}^3 C_2}{4!} + \frac{{}^4 C_2}{5!} + \ldots$. તો $\frac{2b}{a^2}$ ની કિંમત શોધો.

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

$1+\frac{1+2}{2 !}+\frac{1+2+2^2}{3 !}+\ldots$ ની કિંમત શોધો.

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

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