$\frac{2\frac{1}{2}}{1!} + \frac{3\frac{1}{2}}{2!} + \frac{4\frac{1}{2}}{3!} + \frac{5\frac{1}{2}}{4!} + \dots \infty$ का मान क्या है?

  • A
    $1 + e$
  • B
    $\frac{1 + e}{e}$
  • C
    $\frac{e - 1}{e}$
  • D
    इनमें से कोई नहीं

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Similar Questions

यदि $\cosh (x-\log 3)=\sinh x$ है,तो $x=$

$\left( {1 + \frac{1}{{2!}} + \frac{1}{{4!}} + \dots} \right) \left( {1 + \frac{1}{{3!}} + \frac{1}{{5!}} + \dots} \right) = $

$\sum_{k=1}^{\infty} \frac{1}{k !} \left(\sum_{n=1}^k 2^{n-1}\right)$ का मान ज्ञात कीजिए।

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

$\frac{e^2 + 1}{2e} = $

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