The normals at ,

MATHEMATICS · Subjective · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

The normals at PP, QQ, and RR on the parabola y2=4axy^2=4ax meet at a point on the line y=cy=c. Prove that the sides of △PQR\triangle PQR touch the parabola x2=2cyx^2=2cy.

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