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

  • A
    $\frac{1}{5}$
  • B
    $\frac{2}{5}$
  • C
    $0$
  • D
    $\frac{4}{5}$

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

જો $0 \leq x \leq \frac{1}{2}$ હોય,તો $\tan \left[\sin ^{-1}\left\{\frac{x}{\sqrt{2}}+\frac{\sqrt{1-x^{2}}}{\sqrt{2}}\right\}-\sin ^{-1} x\right]$ ની કિંમત શોધો.

$x=\frac{1}{5}$ હોય ત્યારે $\cos \left(2 \cos ^{-1} x+\sin ^{-1} x\right)$ નું મૂલ્ય શોધો.

સમીકરણ $\sin^{-1} x = 2 \tan^{-1} x$ (મુખ્ય કિંમતોમાં) ના ઉકેલોની સંખ્યા શોધો.

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$x$ માટે ઉકેલો: $\tan^{-1}\left(\frac{1-x}{1+x}\right) = \frac{1}{2} \tan^{-1} x$,જ્યાં $x > 0$.

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