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PQ is a double ordinate of the parabola `y^(2)=4ax`. If the normal at P intersect the line passing through Q and parallel to x-axis at G, then locus of G is a parabola with :

A

length of latus rectum equal to 4a

B

vertex at (4a, 0)

C

directrix as the line

D

focus as (5a, 0)

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The correct Answer is:
A, B, C, D
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