Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 1 (MathsCasts)

Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 1 (MathsCasts)

Released Friday, 17th January 2014
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Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 1 (MathsCasts)

Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 1 (MathsCasts)

Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 1 (MathsCasts)

Why are circles, ellipses, parabolas and hyperbolas called 'conic sections'? Part 1 (MathsCasts)

Friday, 17th January 2014
Good episode? Give it some love!
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We solve simultaneously the equations of a plane and a cone and show that the intersections are circles, parabolas, ellipses, hyperbolas, straight lines or just the origin.
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