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

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

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જો $a < \frac{1}{32}$ હોય,તો $(\sin^{-1} x)^3 + (\cos^{-1} x)^3 = a\pi^3$ ના ઉકેલોની સંખ્યા કેટલી થાય?

Difficult
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જો $y = \operatorname{cosec}^{-1}\left[\frac{\sqrt{x}+1}{\sqrt{x}-1}\right] + \cos^{-1}\left[\frac{\sqrt{x}-1}{\sqrt{x}+1}\right]$ હોય,તો $\frac{dy}{dx} = $

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

જો $k \le \sin^{-1}x + \cos^{-1}x + \tan^{-1}x \le K$ હોય,તો

જો $\sin \left(\sin ^{-1} \frac{1}{5}+\cos ^{-1} x\right)=1$ હોય,તો $x$ ની કિંમત શોધો.

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