$1.5 + \frac{2.6}{1!} + \frac{3.7}{2!} + \frac{4.8}{3!} + \dots$ ની કિંમત શોધો.

  • A
    $13e$
  • B
    $15e$
  • C
    $9e + 1$
  • D
    $5e$

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

$\frac{1-2x}{e^x}$ માં $x^n$ નો સહગુણક શું છે?

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

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

સમીકરણ $2 \cosh 2x + 10 \sinh 2x = 5$ નો ઉકેલ શોધો.

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