यदि $y = \frac{e^x + e^{-x}}{e^x - e^{-x}}$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

  • A
    $\text{sech}^2 x$
  • B
    $\text{cosech}^2 x$
  • C
    $-\text{sech}^2 x$
  • D
    $-\text{cosech}^2 x$

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Similar Questions

फलन $\sin x \cos x$ का अवकलज ज्ञात कीजिए।

$\frac{d}{dx}({x^2} + \cos x)^4 = $

यदि $y = \cos (\sin {x^2}),$ है,तो $x = \sqrt {\frac{\pi }{2}} $ पर $\frac{dy}{dx} = $

एक फलन $f$ जो सभी $x$ के लिए $f'( \sin x ) = \cos^2 x$ और $f(1) = 1$ को संतुष्ट करता है,वह है :

$\left\{\frac{d}{d x}\left(\sec x^{\circ}\right)\right\}_{x=30} = $ . . . . . . .

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