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2001

JEE Main 2001 Mathematics question on Circles

Let ABAB be a chord of the circle x2+y2=r2x^2 + y^2 = r^2 subtending a right angle at the centre. Then, the locus of the centroid of the △PAB\triangle PAB as PP moves on the circle, is
  1. A.
    a parabola
  2. B.
    a circle
  3. C.
    an ellipse
  4. D.
    a pair of straight lines
Show answer

Correct option: B

[2001]

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