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

જો $y = 2x^2 - 1$ હોય,તો $\left[ \frac{1}{y} + \frac{1}{3y^3} + \frac{1}{5y^5} + \dots \right]$ ની કિંમત શું થાય?

$\frac{x - 1}{x + 1} + \frac{1}{2} \cdot \frac{x^2 - 1}{(x + 1)^2} + \frac{1}{3} \cdot \frac{x^3 - 1}{(x + 1)^3} + \dots \infty = $

ધારો કે $x \in R$ અને $|x| < 1$. તો $\tanh ^{-1} x=$

$\cosh^{-1} 2 = $

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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