1.

The general solution of the DE `(dy)/(dx) = (sqrt (1 - x ^(2))) (sqrt (1 - y ^(2)))` isA. ` sin ^(-1) y - sin ^(-1) x = x sqrt(1 - x ^(2)) + C `B. `2sin ^(-1) y - sin ^(-1) x = x sqrt(1 - x ^(2)) + C `C. `2 sin ^(-1) y - sin ^(-1) x = C `D. none of these

Answer» Correct Answer - B
` int ( dy ) /( sqrt (1 - y ^(2))) = int sqrt (1 - x^(2)) dx rArr sin ^(-1) y = (x)/(2) sqrt (1 - x ^(2)) + (1)/(2) sin ^(-1) x + C`.
` rArr 2 sin ^(-1) y - sin ^(-1) x = x sqrt ( 1 - x ^(2)) + C`.


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