यदि $y = \log \left( \frac{1 + \sqrt{x}}{1 - \sqrt{x}} \right)$ है,तो $\frac{dy}{dx} = $

  • A
    $\frac{\sqrt{x}}{1 - x}$
  • B
    $\frac{1}{\sqrt{x}(1 - x)}$
  • C
    $\frac{\sqrt{x}}{1 + x}$
  • D
    $\frac{1}{\sqrt{x}(1 + x)}$

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$x$ के सापेक्ष निम्नलिखित फलन का अवकलन कीजिए: $\log _{7}(\log x)$

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$\frac{d}{dx} [\log(\cos x)]$

$\frac{d}{dx} \left[ \log \left\{ e^x \left( \frac{x + 2}{x - 2} \right)^{3/4} \right\} \right]$ का मान ज्ञात कीजिए।

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

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

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