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A focal chord of the Parabola y^(2) = 4...

A focal chord of the Parabola ` y^(2) = 4x` makes an angle of measure ` theta` with the positive direction of the X - axis . If the length of the focal chord is 8 then ` theta = . . . . ( 0 lt theta lt (pi)/(2))`

A

`(pi)/(3)`

B

`(pi)/(6)`

C

`(pi)/(4)`

D

None of these

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