જો $x \in \left(0, \frac{1}{4}\right)$ માટે,$\tan^{-1}\left(\frac{6x\sqrt{x}}{1-9x^3}\right)$ નું વિકલન $\sqrt{x} \cdot g(x)$ હોય,તો $g(x)$ ની કિંમત શોધો.

  • A
    $\frac{3x\sqrt{x}}{1-9x^3}$
  • B
    $\frac{3x}{1-9x^3}$
  • C
    $\frac{3}{1+9x^3}$
  • D
    $\frac{9}{1+9x^3}$

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જો $y = \tan^{-1} \frac{x}{1+2x^2} + \tan^{-1} \frac{x}{1+6x^2} + \tan^{-1} \frac{x}{1+12x^2}$ હોય,તો $\left(\frac{dy}{dx}\right)_{x=\frac{1}{2}} = $

કિંમત શોધો: ${\tan ^{ - 1}}x + {\cot ^{ - 1}}(x + 1)$

$x > 0$ માટે, જો $\sin(\cos^{-1} x + \tan^{-1} x) - \cos(\sin^{-1} x + \tan^{-1} x) = \sin(\cot^{-1} 2)$ હોય, તો $x =$ શોધો.

$2 \tan^{-1}(\cos x) = \tan^{-1}(\csc^2 x)$ હોય,તો $x = $

$\cos^{-1}\left(\frac{15}{17}\right) + 2\tan^{-1}\left(\frac{1}{5}\right) = $

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