Generating Conics by Newton's Method
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This Demonstration shows a construction of conics (parabola, ellipse, and hyperbola) attributed to Newton. Consider point P, constrained to move on a bar, joined to fixed points A and B by two lines and lines through A and B inclined at fixed angles and with these lines. Their intersection point will be on a conic as you move P.
Contributed by: Jaime Rangel-Mondragon (March 2011)
Open content licensed under CC BY-NC-SA