Choose the correct standard equation of the parabola whose focus is and directrix .

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

Problem

Choose the correct standard equation of the parabola whose focus is (a,0)(a,0) and directrix x=−ax=-a. (a) y2=−4axy^{2}=-4ax (b) x2=4ayx^{2}=4ay (c) y2=4axy^{2}=4ax (d) y2=2axy^{2}=2ax

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