| 31. | For example, a conic section is degenerate if and only if it has singular points.
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| 32. | A conic section can be created using five points near the end of the known data.
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| 33. | The circle and parabola are unique among conic sections in that they have a universal constant.
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| 34. | The three types of conic section are the hyperbola, the parabola, and the ellipse.
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| 35. | Many of these have been used as the basis for a definition of the conic sections.
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| 36. | Most light energy reflectors are based on conic sections such as parabolas, ellipses and circles.
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| 37. | It has probably the best support for conic sections you're likely to find anywhere.
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| 38. | The invariant vanishes identically if ( and only if ) the curve is a conic section.
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| 39. | A parabola may also be characterized as a conic section with an inverse transform of a cardioid.
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| 40. | Two conic sections are congruent if their eccentricities and one other distinct parameter characterizing them are equal.
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