# Equation of an Ellipse Referred to Two Perpendicular Lines

Equation of an Ellipse Referred to Two Perpendicular Lines Consider the ellipse . Let P (x, y) be any point on the ellipse. Then PM = y and PN = x. . If follows from this if the perpendicular distance P₁ and P₂ of a moving point P (x, y) from two mutually perpendicular coplanar Read more about Equation of an Ellipse Referred to Two Perpendicular Lines[…]