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The length or double ordinate of parabol...

The length or double ordinate of parabola ,`y^(2) = 8x` which subtends an angle `60^(@)` at vertex is

A

`4sqrt(3)`

B

`8sqrt(3)`

C

`16 sqrt(3)`

D

`32 sqrt(3)`

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The correct Answer is:
C
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Knowledge Check

  • The vertex of the parabola y^(2)-2x+8x-23=0 is

    A
    (3,1)
    B
    (-3,)
    C
    (1,3)
    D
    (-3,-1)

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