Question: Solve the following first order differential equations. Use the most appropriate method. (10pts. each) 1. (xy + y- sin x)dx+ xdy = 0 2.

Solve the following first order differential equations. Use the most appropriate method.

Solve the following first order differential equations. Use the most appropriate method. (10pts. each) 1. (xy + y- sin x)dx+ xdy = 0 2. (rcos y+xysin y dy+(sin y +xy sin y kdx = 0 3. (3y - x'ykdx +(2x' + xy' )dy 0 4. 2ydx + x(x* In y-1)dy = 0

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