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what is directrix? explain in deeply with draw.......

what is directrix?


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

Grade:11

1 Answers

vikas askiitian expert
509 Points
11 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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