`(dy)/(dx)=sqrt(4-y^(2))(-2ltylt2)`

1.	`(dy)/(dx)=sqrt(4-y^(2))(-2ltylt2)`
Answer» `(dy)/(dx)=sqrt(4-y^(2))" "implies (dy)/(sqrt(4-y^(2)))=dx` `implies sin^(-1).(y)/(2)=x+c implies (y)/(2)=sin(x+c)` `implies y = 2 sin (x+c)`

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