શ્રેણી $\frac{4}{1!} + \frac{11}{2!} + \frac{22}{3!} + \frac{37}{4!} + \frac{56}{5!} + \dots$ નો સરવાળો શોધો.

  • A
    $6e$
  • B
    $6e - 1$
  • C
    $5e$
  • D
    $5e + 1$

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$\sqrt{e}$ ની કિંમત આશરે કેટલી થાય?

શ્રેણી $\frac{1}{2!} + \frac{1}{4!} + \frac{1}{6!} + \dots$ નો સરવાળો શું થાય?

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

$1 + \frac{1 + 3}{2!} + \frac{1 + 3 + 5}{3!} + \frac{1 + 3 + 5 + 7}{4!} + \dots \infty = $

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

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