Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 2 (MathsCasts)
We solve simultaneously the equations of a plane and a cone and show that the intersections are circles, parabolas, ellipses, hyperbolas, straight lines or just the origin.
Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 2 (MathsCasts)
We solve simultaneously the equations of a plane and a cone and show that the intersections are circles, parabolas, ellipses, hyperbolas, straight lines or just the origin.