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If normal to the parabola y^2-4a x=0 at ...

If normal to the parabola `y^2-4a x=0` at `alpha` point intersects the parabola again such that the sum of ordinates of these two points is 3, then show that the semi-latus rectum is equal to `-1. 5alphadot`

A

`0.5 alpha`

B

`alpha`

C

`-1.5 alpha`

D

`3 alpha`

Text Solution

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The correct Answer is:
C
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