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The focal chord of y^(2)=16x is tangent ...

The focal chord of `y^(2)=16x` is tangent to `(x-6)^(2)+y^(2)=2` then the possible values of the slope of this chord are

A

1,-1

B

`-(1)/(2), 2`

C

`-2, (1)/(2)`

D

`(1)/(2), 1`

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The correct Answer is:
A
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