In ellipses, two circles {eccentric circle} can have major and minor axes as diameters. In hyperbola, two eccentric circles have transverse axis and conjugate axis {harmonic conjugate of transverse axis} as diameters.
Mathematical Sciences>Geometry>Solid>Cone>Conic Section>Eccentricity
3-Geometry-Solid-Cone-Conic Section-Eccentricity
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Date Modified: 2022.0224