[無料ダウンロード！ √] (x^2 y^2 x)dx xydy=0 513077-(x^2+y^2)dx+xydy=0 homogeneous
Divide y, the coefficient of the x term, by 2 to get \frac{y}{2} Then add the square of \frac{y}{2} to both sides of the equation This step makes the left hand side of the equation a perfect square