Point on a Hyperbola
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Illustration of a point on a hyperbola. “If d denotes the abscissa (x-coordinate) of a point of an hyperbola, r and r’ its focal radii, then r = ed - a, and r’ = ed + a.”
Keywords
conic sections, section, hyperbola, focus, point, foci, abscissa, focal radii, hyperbolas, x-coordinateGalleries
Conic Sections: HyperbolasSource
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 450
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