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If the double ordinate of the parabola y...

If the double ordinate of the parabola `y^(2)=8x` is of length 16 then the angle subtended by it at the vertex of the parabola is

A

`(pi)/(2)`

B

`(pi)/(3)`

C

`(3pi)/(4)`

D

`(pi)/(4)`

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The correct Answer is:
A
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