$\frac{1}{1 \cdot 3} + \frac{1}{2 \cdot 5} + \frac{1}{3 \cdot 7} + \frac{1}{4 \cdot 9} + \dots$ ની કિંમત શોધો.

  • A
    $2 \log_e 2 - 2$
  • B
    $2 - \log_e 2$
  • C
    $2 \log_e 4$
  • D
    $\log_e 4$

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Similar Questions

$\log _4 2 - \log _8 2 + \log _{16} 2 - \ldots$ ની કિંમત શોધો.

પદાવલિ $\log_{e} 2 + \log_{e} \left( 1 + \frac{1}{2} \right) + \log_{e} \left( 1 + \frac{1}{3} \right) + \dots + \log_{e} \left( 1 + \frac{1}{n - 1} \right)$ ની કિંમત શોધો.

આપેલ શ્રેણી $\frac{1}{n} - \frac{1}{2n^2} + \frac{1}{3n^3} - \frac{1}{4n^4} + \dots$ નો અનંત સુધીનો સરવાળો શું થાય?

$1 + \frac{(\log_e n)^2}{2!} + \frac{(\log_e n)^4}{4!} + \dots = $

જો $\tanh ^{-1} x = a \log \left(\frac{1+x}{1-x}\right)$,$|x| < 1$ હોય,તો $a$ ની કિંમત શોધો.

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