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Exploration of Polarity defined by a Conic.

Author:
Alison Middelkoop
Exploration of Polarity defined by a conic. Left Click on points D and/or E to move them shows that the line BC (the dual line) remains the same and so is independent of the choice of lines through A. The point A can also be moved Moving point F1 and F2 changes the size of the ellipse. Point A can also be moved.

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