x2−2y2x\frac{\sqrt{x^{2}-2 y^{2}}}{x}xx2−2y2
2y2−x2x\frac{\sqrt{2 y^{2}-x^{2}}}{x}x2y2−x2
y2−2x2y\frac{\sqrt{y^{2}-2 x^{2}}}{y}yy2−2x2
y2−2x2x\frac{\sqrt{y^{2}-2 x^{2}}}{x}xy2−2x2
2y2−x2y\frac{\sqrt{2 y^{2}-x^{2}}}{y}y2y2−x2