What is the focus of a parabola?
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Asked in ScienceMathematics- Asked 2 years ago By anonymous Views: 102
Answered 2 years agoanonymous
All rays coming parallel to the axis after reflection from the concave side of the parabola converge at a point.This point is called the focus. The focus of a parabola of equation y^2=4ax is at (2a,0)
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