${\cos ^{ - 1}}\left( {\frac{{1 - {x^2}}}{{1 + {x^2}}}} \right)$ નું ${\cot ^{ - 1}}\left( {\frac{{1 - 3{x^2}}}{{3x - {x^3}}}} \right)$ ની સાપેક્ષમાં વિકલન શું થાય?

  • A
    $1$
  • B
    $\frac{3}{2}$
  • C
    $\frac{2}{3}$
  • D
    $\frac{1}{2}$

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જો $y = \tan^{-1} \left( \frac{x}{1 + \sqrt{1 - x^2}} \right) + \sin \left\{ 2 \tan^{-1} \sqrt{\frac{1 - x}{1 + x}} \right\}$ હોય,તો $\frac{dy}{dx} = $

$\frac{d}{dx} \left( \tan^{-1} \frac{x}{\sqrt{a^2 - x^2}} \right) = $

$\frac{d}{dx} \tan^{-1} \left( \frac{4\sqrt{x}}{1 - 4x} \right) = $

$\frac{1}{2} < x < 1$ માટે $\sin ^{-1}\left(3 x-4 x^3\right)$ નું $x$ ની સાપેક્ષ વિકલન શું થાય?

$x$ ની સાપેક્ષમાં $\cos^{-1} \sqrt{\frac{1 + x^2}{2}}$ નું વિકલન શોધો.

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