If is the midpoint of a chord passing through the vertex of the parabola

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

If (a,b)(a,b) is the midpoint of a chord passing through the vertex of the parabola y2=4xy^2=4x, then (1) a=2ba=2b (2) 2a=b2a=b (3) a2=2ba^2=2b (4) 2a=b22a=b^2

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