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The slopes of the normal to the parabol...

The slopes of the normal to the parabola `y^(2)=4ax` intersecting at a point on the axis of the parabola at a distance 4a from its vertex are in

A

H.P

B

`mathrm(G)_( ) cdot mathrm(P)`

C

A.P

D

none of these

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The correct Answer is:
C
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