$(e^x - 1)^2$ ના વિસ્તરણમાં $x^4$ નો સહગુણક શું હશે?

  • A
    $1/12$
  • B
    $7/12$
  • C
    $5/12$
  • D
    આમાંથી કોઈ નહીં

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Similar Questions

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

$\frac{1}{2} + \frac{1}{4} + \frac{1}{8 \times 2!} + \frac{1}{16 \times 3!} + \frac{1}{32 \times 4!} + \dots \infty = $

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

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

જો $2 \sinh x = \cosh x$ હોય,તો $x =$

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