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what is directrix?

explain in deeply with draw.......

baba garg , 14 Years ago
Grade 11
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vikas askiitian expert

Last Activity: 14 Years ago

The distance from a point, P, on the ellipse to a focus is always proportional to the distance to a vertical line, D, called the directrix. The constant of proportionality is the is eccentricity e...

                 File:Ellipse Properties.svg

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