Item:Q6390: Difference between revisions

@@ Property / subclass of @@
+quadratic curve
@@ Property / subclass of: quadratic curve / rank @@
+Normal rank
@@ Property / part of @@
+Dandelin spheres
@@ Property / part of: Dandelin spheres / rank @@
+Normal rank
@@ Property / defining formula @@
+ $Ax^{2}+Bxy+Cy^{2}+Dx+Ey+F=0$ 
Ax^2 + Bxy + Cy^2 +Dx + Ey + F = 0
@@ Property / defining formula: $Ax^{2}+Bxy+Cy^{2}+Dx+Ey+F=0$ / rank @@
+Normal rank
@@ Property / has quality @@
+eccentricity
@@ Property / has quality: eccentricity / rank @@
+Normal rank