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4.4. Second order curves

Lecture



The locus of points whose ratio of distances from a fixed point ( focus ) to distance to a fixed line ( directrix ) is constant and equal to the number e ( eccentricity ) is a second order curve . If e <1 then this is an ellipse , if e = 1 then this is a parabola , if e > 1, then this is a hyperbola .

created: 2014-09-20
updated: 2021-03-13
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Linear Algebra and Analytical Geometry

Terms: Linear Algebra and Analytical Geometry