જો $f(x) = \cos^{-1} \left[ \frac{1 - (\log x)^2}{1 + (\log x)^2} \right]$ હોય,તો $f'(e) = \_\_\_\_$

  • A
    $1/e$
  • B
    $2/e^2$
  • C
    $2/e$
  • D
    $1$

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Similar Questions

જો $2y = {\left( {{{\cot }^{ - 1}}\left( {\frac{{\sqrt 3 \cos x + \sin x}}{{\cos x - \sqrt 3 \sin x}}} \right)} \right)^2}$ અને $x \in \left( {0,\frac{\pi }{2}} \right)$ હોય,તો $\frac{{dy}}{{dx}}$ ની કિંમત શોધો.

${\sin ^{ - 1}}x$ ની સાપેક્ષમાં ${\tan ^{ - 1}}\left( {\frac{x}{{1 + \sqrt {1 - {x^2}} }}} \right)$ નું વિકલન સહગુણક શોધો.

જો $y=\tan ^{-1}\left[\frac{\log \left(\frac{e}{x^2}\right)}{\log \left(ex^2\right)}\right]+\tan ^{-1}\left[\frac{3+2 \log x}{1-6 \log x}\right]$ હોય,તો $\frac{d^2 y}{dx^2}=$

$\frac{d}{dx} \left[ \tan^{-1} \sqrt{\frac{1 - \cos x}{1 + \cos x}} \right]$ ની કિંમત શોધો.

જો $y=\tan ^{-1}\left\{\frac{a \cos x-b \sin x}{b \cos x+a \sin x}\right\}$ હોય,તો $\frac{d y}{d x}$ શોધો.

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