$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 = $

  • A
    $e^{b - a}$
  • B
    $e^a$
  • C
    $\frac{e}{e^{b/a}}$
  • D
    $\frac{e}{e^{a/b}}$

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Similar Questions

જો $\cosh (x-\log 3)=\sinh x$ હોય,તો $x=$

$b = 1 + \frac{{}^1 C_0 + {}^1 C_1}{1!} + \frac{{}^2 C_0 + {}^2 C_1 + {}^2 C_2}{2!} + \frac{{}^3 C_0 + {}^3 C_1 + {}^3 C_2 + {}^3 C_3}{3!} + \ldots$
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.

$\frac{a + bx + cx^2}{e^x}$ ના વિસ્તરણમાં,$x^n$ નો સહગુણક શું છે?

$\frac{1-2x-x^2}{e^{-x}}$ ના વિસ્તરણમાં $x^k$ નો સહગુણક શું છે?

$3 + \frac{5}{1!} + \frac{7}{2!} + \frac{9}{3!} + \dots \infty = $

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