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If y=(sin^(-1)x)/(sqrt(1-x^2)),t h e n((...

If `y=(sin^(-1)x)/(sqrt(1-x^2)),t h e n((1-x^2)dy)/(dx)` is equal to (a)`x+y` (b) `1+x y` (c)`1-x y` (d) `x y-2`

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