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Cone, plane, ellipse

SOLVED
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Re: Cone, plane, ellipse

Yes!

When Dandelin spheres touch eachother both focuses and ellipse center melt into touch point onto axe and ellipse becommes circle.

Since that no focus points nor ellipse center can coincident with axis.

Axis is allways intersecting the line between two focuses splitting it in one longer and one shorter part. 

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Re: Cone, plane, ellipse

Hi,

With the use of analytical geometry and with the data available, this is all you can do:

Risposta a V. O..jpg

Happy New Year.

F. M.

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