$\frac{1}{2} - \frac{1}{2 \cdot 2^2} + \frac{1}{3 \cdot 2^3} - \frac{1}{4 \cdot 2^4} + \ldots$ ની કિંમત શોધો.

  • A
    $\frac{1}{4}$
  • B
    $\log _3\left(\frac{3}{4}\right)$
  • C
    $\log _e\left(\frac{3}{2}\right)$
  • D
    $\log _e\left(\frac{2}{3}\right)$

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Similar Questions

$\frac{1}{1 \cdot 2} - \frac{1}{2 \cdot 3} + \frac{1}{3 \cdot 4} - \frac{1}{4 \cdot 5} + \dots \infty = $

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

$e^{\left( {x - \frac{1}{2}{(x - 1)}^2 + \frac{1}{3}{(x - 1)}^3 - \frac{1}{4}{(x - 1)}^4 + \dots} \right)}$ ની કિંમત શું થાય?

ધારો કે $S_{k}$ એ અનંત $GP$ શ્રેણીનો સરવાળો છે જેનું પ્રથમ પદ $k$ છે અને સામાન્ય ગુણોત્તર $\frac{k}{k+1}$ $(k>0)$ છે. તો, $\sum_{k=1}^{\infty} \frac{(-1)^{k}}{S_{k}}$ નું મૂલ્ય કેટલું થાય?

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

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