Grade 8Analytical Geometry
The points P(ap^2,2ap) and Q(aq^2,2aq) lie on the parabola y^2=4ax, prove that if PQ is a focal chord then the tangents to the curve at P and Q intersect at right angles at a point on the directrix
The points P(ap^2,2ap) and Q(aq^2,2aq) lie on the parabola y^2=4ax, prove that if PQ is a focal chord then the tangents to the curve at P and Q intersect at right angles at a point on the directrix
