| 21. | This is the familiar implicit conic section form, in this case a parabola.
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| 22. | Various parameters are associated with a conic section.
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| 23. | Are there any general rules for rotation of conic sections in the polar form?
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| 24. | Together they worked on free fall, catenary, conic section, and fluid statics.
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| 25. | In this way one may visualize 3-dimensional real quadratic forms as conic sections.
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| 26. | Hossain learnt algebra, geometry, conic section and mechanics from Mr . Jyotindranath Roy.
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| 27. | Then the intersection points of corresponding lines form a non-degenerate projective conic section.
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| 28. | These 5 items ( 2 points, 3 lines ) uniquely determine the conic section.
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| 29. | Then the lines connecting corresponding points form a dual non-degenerate projective conic section.
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| 30. | This conic section is the intersection of the cone of light rays with the flat surface.
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