यदि $f(x) = \cot^{-1}\left(\frac{x^x - x^{-x}}{2}\right)$ है,तो $f'(1)$ का मान किसके बराबर है?

  • A
    -$1$
  • B
    $1$
  • C
    -$2$
  • D
    $2$

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Similar Questions

अवकलन ज्ञात कीजिए: $\frac{d}{dx}[(\log_e x)(\log_a x)]$

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

$x$ के सापेक्ष निम्नलिखित का अवकलन कीजिए: $\log(\cos e^{x})$

$\frac{d}{dx} \left[ \log \sqrt{\sin \sqrt{e^x}} \right] = $

यदि $f(x)=\log _e\left(e^{2 x}\left(\frac{3 x+5}{5-3 x}\right)^{\frac{2}{3}}\right)$, $x \neq \frac{-5}{3}, \frac{5}{3}$ है, तो $x=1$ पर $\frac{d f}{d x}$ का मान ज्ञात कीजिए।

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