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The normals at three points P,Q,R of the...

The normals at three points `P,Q,R` of the parabola `y^2=4ax` meet in `(h,k)` The centroid of triangle `PQR` lies on

A

x=0

B

y=0

C

x=-a

D

y=a

Text Solution

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The correct Answer is:
D
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