A : A circle is a closed figure with eccentricity 1. Similarly, ellipse is also a closed fig with eccentricity less than 1 and parabola with greater than 1.
A parabola is an open curve. If you come in on one side of a parabola, you make the turn and go out the other side, and you're never heard from again. An ellipse is a closed curve. You can keep going...
They are both considered as "conic sections". If you take a cone and slice it slightly slanted, you get an ellipse. In the case of parabolas, if you cut off a side (not the tip) vertically, you end...
A parabola is a quadratic figure. It is an intersection of a right conical surface, a plane parallel to a generating straight line of the surface. Basically, it's an arc shape. It can open up, down,...