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Conics (1 Viewer)

Valupatitta

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can some1 please explain in baby language what 'eccentricity' means?
 

study-freak

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The ratio of the distance from any point(say P) on a conic (ellipse, hyperbola, circle, parabola) to the foci(S) to the perpendicular distance from the point(P) to the directrices(M).
PS/PM=e.
 

Affinity

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measure of how much the curve differs from a circle.
 

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