$\frac{e^{5x} + e^x}{e^{3x}}$ ના વિસ્તરણમાં,$x^4$ નો સહગુણક શું છે?

  • A
    $-6/5$
  • B
    $4/3$
  • C
    $-4/3$
  • D
    આમાંથી કોઈ નહીં

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Similar Questions

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

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

$\frac{1}{1!} + \frac{1 + 2}{2!} + \frac{1 + 2 + 2^2}{3!} + .....\infty = $

શ્રેણી $1 + \frac{1}{4 \cdot 2!} + \frac{1}{16 \cdot 4!} + \frac{1}{64 \cdot 6!} + \dots$ અનંત સુધીનો સરવાળો શું થાય?

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

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