Mathematics, 21.02.2020 02:55 Samuelgamboe

The points P (ap2, 2ap) and Q(aq2, 2aq) lie on the parabola y2 = 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.

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The points P (ap2, 2ap) and Q(aq2, 2aq) lie on the parabola y2 = 4ax. Prove that if PQ is a focal ch...