y' = (2x)/(y+1). Solve for y.

y' = dy/dx = (2x)/(y+1) Separate x's and y's in this case.

y + 1 dy = 2x dx Now integrate both sides.

(y2)/2 + y = (2x2)/ 2 + C  Don't forget the constant. 

(y2)/2 + y = x2 + C 

DM

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