જો $y = \sec^{-1}\left(\frac{1}{2x^2 - 1}\right)$ હોય,તો $\frac{dy}{dx}$ શોધો,જ્યાં $0 < x < \frac{1}{\sqrt{2}}$.

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

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જો $\sin ^{-1} a=\alpha+\beta$ અને $\sin ^{-1} b=\alpha-\beta$ હોય,તો $\sin ^2 \alpha+\cos ^2 \beta=$ . . . . . . .

જો $y=\tan ^{-1}\left(\frac{3 x-x^3}{1-3 x^2}\right)+\tan ^{-1}\left(\frac{4 x-4 x^3}{1-6 x^2+x^4}\right)$ હોય,તો $\frac{d y}{d x}$ ની કિંમત શું થાય?

જો $\tan ^{-1} 2 x+\tan ^{-1} 3 x=\frac{\pi}{4}$ હોય,તો $x$ ની કિંમત શોધો.

જો $\sin^{-1}(1 - x) - 2\sin^{-1}x = \pi/2$ હોય,તો $x$ ની કિંમત શોધો:

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