RE: Conic Sections: Ellipses: Example 2: Vertical Ellipse (DTube)

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Conic Sections: Ellipses: Example 2: Vertical Ellipse (DTube)

in dtube •  7 years ago 

Ellipses are, by their nature not "perfectly round" in the technical sense that circles are round. And very well explained by video.
Thanks for share ....
keep posting ....

dtube
7 years ago by

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