$\frac{d}{dx} \tan^{-1} \left[ \frac{\cos x - \sin x}{\cos x + \sin x} \right] = $

  • A
    $\frac{1}{2(1 + x^2)}$
  • B
    $\frac{1}{1 + x^2}$
  • C
    $1$
  • D
    $-1$

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Similar Questions

$x=0$ આગળ $\tan ^{-1}\left(\frac{\sqrt{1+x^2}-1}{x}\right)$ નું $\tan ^{-1}\left(\frac{2 x \sqrt{1-x^2}}{1-2 x^2}\right)$ ની સાપેક્ષ વિકલન શોધો.

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

$x = \frac{1}{2}$ આગળ $\sqrt {1 - {x^2}} $ ની સાપેક્ષે ${\sec ^{ - 1}}\left( \frac{1}{{2{x^2} - 1}} \right)$ નું વિકલન સહગુણક શોધો.

$\frac{d}{dx} [\sin^2 \{ \cot^{-1} \sqrt{\frac{1-x}{1+x}} \}]$ ની કિંમત શોધો.

જો $f(x)=\cos ^{-1}\left[\frac{1}{\sqrt{13}}(2 \cos x-3 \sin x)\right]$ હોય,તો $f^{\prime}(0.5)$ ની કિંમત શોધો.

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