1.

The solution of the equation \[\frac{dy}{dx}=\sqrt{\frac{1-{{y}^{2}}}{1-{{x}^{2}}}}\] is

A. \[{{\sin }^{-1}}y-{{\sin }^{-1}}x=c\]
B. \[{{\sin }^{-1}}y{{\sin }^{-1}}x=c\]
C. \[{{\sin }^{-1}}(xy)=2\]
D. None of these
Answer» B. \[{{\sin }^{-1}}y{{\sin }^{-1}}x=c\]


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