`(3,0)` Write the standard form of the equation of the parabola with the given focus and vertex at (0,0)

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We are asked to write the equation of the parabola with focus (3,0) and vertex at the origin.

The formula for a parabola with focus (a,0) and vertex at the origin is ` y^2=4ax `

The equation required is ` y^2=12x `

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