The vertex A of a parabola is joined to any point P on the curve and PQ is drawn at - Maths - Conic Sections

Question

The vertex A of a parabola is joined to any point P on the curve
and PQ is drawn at right angles to AP to meet the axis in Q Prove
that that projection of PQ on the axis is always equal to the latus
rectum

Sanjari Kalantri · Accepted Answer

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The vertex A of a parabola is joined to any point P on the curve and PQ is drawn at right angles to AP to meet the axis in Q. Prove that that projection of PQ on the axis is always equal to the latus rectum.