જો $y = \tan^{-1}(\sec x + \tan x)$ હોય,તો $\frac{dy}{dx} = $

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

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

$\frac{d}{dx} \left\{ \cos^{-1} \left( \frac{1 - x^2}{1 + x^2} \right) \right\} = $

જો $u=\tan ^{-1}\left(\frac{\sqrt{1+x^{2}}-1}{x}\right)$ અને $v=\tan ^{-1}\left(\frac{2 x \sqrt{1-x^{2}}}{1-2 x^{2}}\right)$ હોય,તો $x=0$ આગળ $\frac{d u}{d v}$ ની કિંમત શોધો.

જો $f$ એ $(0, 6)$ માં વિકલનીય હોય અને $f'(4) = 5$ હોય,તો $\lim_{x \to 2} \frac{f(4) - f(x^2)}{2 - x} = $ શોધો.

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જો $y=\cos ^{-1}\left(\frac{6 x-2 x^2-4}{2 x^2-6 x+5}\right)$ હોય,તો $\frac{d y}{d x}=$

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