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Let the focus S of the parabola y^2=8x l...

Let the focus S of the parabola `y^2=8x` lies on the focal chord PQ of the same parabola . If PS = 6 , then the square of the slope of the chord PQ is

A

`2/sqrt5`

B

`4/5`

C

`5/4`

D

`9/4`

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The correct Answer is:
B
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