Find the locus of middle points of chords of the circle

MATHEMATICS · Subjective · A Level · Mathematics · Coordinate geometry in the (x y) plane · Coordinate geometry in the (x y) plane

Problem

Find the locus of middle points of chords of the circle x2+y2=a2x^2 + y^2 = a^2 , which subtend right angle at the point (c,0)(c, 0) .

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