y'=y^2+2x^2/xy
y'=Y^2/xy=2x^2/xy
y'-y/x+2x/y
y'=y^2+2x/2x
dy/dx=y^+2x/xy
xyy'-y^2=2x^2
yy'-y^2/x=2x
dyy/dx-y^2/x=2x
dyy/dx=2x+y^2/x