Directrix
Returns the directrix of a parabola. A parabola is defined as the locus of points such that the distance to the focus equals the distance to the directrix.
Syntax
directrix(Parabola)
Description
Given a parabola, returns its directrix.
 |  |
Returns the directrix of a parabola. A parabola is defined as the locus of points such that the distance to the focus equals the distance to the directrix.
directrix(Parabola)
Given a parabola, returns its directrix.
| |