Brianchon in Ellipse: What is it?
A Mathematical Droodle

 

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Copyright © 1996-2017 Alexander Bogomolny

This is just an illustration of Brianchon's theorem. The only purpose it serves is to provide another application to a Java ellipse class. Being of projective nature, Brianchon's theorem needs to be proved in just one of the proper conics. So, the existent proof in a circle covers the entire gamut of possibilities.

Poles and Polars

Conic Sections > Ellipse

Pascal and Brianchon Theorems

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Copyright © 1996-2017 Alexander Bogomolny

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