Difference between revisions of "Focus"
Mathtiger6 (talk | contribs) (Created page with "A focus is a point of a parabola that is an equal distance from the parabola as the directrix is.") |
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Latest revision as of 19:22, 29 September 2018
A focus is a point of a parabola that is an equal distance from the parabola as the directrix is.
