If the focus of the parabola is (0,-3) i...

If the focus of the parabola is (0,-3) its directrix is `y=3` then its equation is

A

`x^(2)=-12y`

B

`x^(2)=12y`

C

`y^(2)=12x`

D

`y^(2)=-12x`

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The correct Answer is:

A

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