કિંમત શોધો: $\log_e \sqrt{\frac{1+x}{1-x}}$

  • A
    $x + \frac{x^3}{3} + \frac{x^5}{5} + \dots$
  • B
    $2 \left[ x + \frac{x^3}{3} + \frac{x^5}{5} + \dots \infty \right]$
  • C
    $2 \left[ x^2 + \frac{x^4}{4} + \frac{x^6}{6} + \dots \infty \right]$
  • D
    આમાંથી કોઈ નહીં

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Similar Questions

$1 + \frac{2}{1 \times 2 \times 3} + \frac{2}{3 \times 4 \times 5} + \frac{2}{5 \times 6 \times 7} + \dots$ નો સરવાળો કેટલો થાય?

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

જો $S = \sum\limits_{n = 0}^\infty \frac{(\log x)^{2n}}{(2n)!}$ હોય,તો $S$ =

$\log_e \frac{1}{1 - x - x^2 + x^3}$ ના વિસ્તરણમાં,$x$ નો સહગુણક શોધો.

ધારો કે $\alpha$ અને $\beta$ એ $5x^2 - 3x - 1 = 0$ ના બીજ છે. તો પદાવલિ $\left[ (\alpha + \beta)x - \left( \frac{\alpha^2 + \beta^2}{2} \right)x^2 + \left( \frac{\alpha^3 + \beta^3}{3} \right)x^3 - \dots \right]$ બરાબર શું થાય?

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