$x$ ની કઈ કિંમત $\sin \left(\cot ^{-1} x\right)=\cos \left(\tan ^{-1}(1+x)\right)$ નું સમાધાન કરે છે?

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

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સમીકરણ $\sin ^{-1}\left(\sum_{i=1}^{\infty} x^{i+1}-x \sum_{i=1}^{\infty}\left(\frac{x}{2}\right)^i\right)=\frac{\pi}{2}-\cos ^{-1}\left(\sum_{i=1}^{\infty}\left(-\frac{x}{2}\right)^i-\sum_{i=1}^{\infty}(-x)^i\right)$ ના અંતરાલ $\left(-\frac{1}{2}, \frac{1}{2}\right)$ માં રહેલા વાસ્તવિક ઉકેલોની સંખ્યા . . . . . છે.

જો $0 < x < \frac{1}{2}$ માટે $y = 2\sin^{-1} \sqrt{1-x} + \sin^{-1} (2\sqrt{x(1-x)})$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

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

જો $\alpha \leq 2 \sin^{-1} x + \cos^{-1} x \leq \beta$ હોય,તો

જો $\sin^{-1} x + \sin^{-1} y + \sin^{-1} z = \frac{3\pi}{2}$ હોય,તો $x^{100} + y^{100} + z^{100} - \frac{9}{x^{101} + y^{101} + z^{101}}$ ની કિંમત શોધો.

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