यदि $y = \log \left(\frac{1-x^{2}}{1+x^{2}}\right)$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

  • A
    $\frac{-4x}{1-x^{4}}$
  • B
    $\frac{4x^{3}}{1-x^{4}}$
  • C
    $\frac{1}{4-x^{4}}$
  • D
    $-\frac{4x^{3}}{1-x^{4}}$

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Similar Questions

$\frac{d}{dx} \left\{ \log \left( \frac{e^x}{1 + e^x} \right) \right\} = $

यदि $y = \log(x^x)$ है,तो $\frac{dy}{dx} = $

$\frac{d}{dx} \left( \log \sqrt{\frac{1+\sin x}{1-\sin x}} \right) = $

यदि $f(1) = 3$ और $f'(1) = 2$ है,तो $x = 0$ पर $\frac{d}{dx} \{ \log f(e^x + 2x) \}$ का मान ज्ञात कीजिए।

$\frac{d}{dx} \left( \log \left( \sqrt{x + \sqrt{x^2 + a^2}} \right) \right) = $

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