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Let AB be a chord of the circle x^(2) +...

Let AB be a chord of the circle ` x^(2) + y^(2) = r^(2)` subtending a right angle at the center. Then , the locus of the centroid of triangle PAB as P moves on the circle is

A

a parabola

B

a circle

C

an ellipse

D

a pair of straight lines

Text Solution

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The correct Answer is:
B
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