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Consider the equation of a parabola y ^(...

Consider the equation of a parabola `y ^(2) + 4ax =0,` where `a gt 0.` Which of the following is false ?

A

Vertex of the parabola is at the prigin.

B

Focus of the parabola is at `(a,0)`

C

Directrix of the parabola is `x =a`

D

Tangent at the vertex is `x=0.`

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The correct Answer is:
B
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