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The focal chord of y^(2)=64x is tangent ...

The focal chord of `y^(2)=64x` is tangent to `(x-4)^(2)+(y-2)^(2)=4`, th en the square root of the length of this focal chord is equal to

A

`(74)/(9)`

B

`(37)/(3)`

C

`(74)/(3)`

D

`(37)/(9)`

Text Solution

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The correct Answer is:
C
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