$y = \log \left( \frac{\sqrt{x^2+1}-x}{\sqrt{x^2+1}+x} \right) \Rightarrow \frac{dy}{dx} = $

  • A
    $\frac{1}{\sqrt{1+x^2}}$
  • B
    $\frac{2}{\sqrt{1+x^2}}$
  • C
    $\frac{-1}{\sqrt{1+x^2}}$
  • D
    $\frac{-2}{\sqrt{1+x^2}}$

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Similar Questions

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

मान लीजिए $f(x)=e^x$,$g(x)=\sin^{-1} x$ और $h(x)=f(g(x))$,तो $\frac{h'(x)}{h(x)}$ का मान क्या होगा?

$\frac{d}{d x}\left(\log \left(\frac{1}{x}\right)+\log \left(\frac{1}{x^2}\right)+\log\left(\frac{1}{x^3}\right)\right) = \text{ . . . . . . }$,$x > 1$

$\frac{d}{dx}(e^{x \log x} + e^3) = $ . . . . . .

$x > 7$ के लिए फलन $f(x) = \log_5(\log_7 x)$ का अवकलज ज्ञात कीजिए।

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