File:كفاف-ظاهر-سطح-ثنائي.jpg
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العربية: تنتمي المخروطية التي تمثل الكفاف الظاهر لسطح ثنائي k (كروي، اهليجي، مكافئ وزائدي) بالنسبة لنقطة P خارجية بالنسبة للسطح نفسه, الى المستوى القطبي لامبدا ل P بالنسبة ل k
لتحديد تلك المخروطية يجب تحديد خطين ينتميان للمستوى لامبدا. وهما اثنين من الخطوط القطبية لمخروطيتين تم الحصول عليهما كمقاطع للسطح بمستويين يمران بالنقطة P. https://www.researchgate.net/project/Geometric-Loci the apparent contour of a quadric with respect to a point external to it il contorno apparente di una quadrica rispetto ad un punto esterno rispetto ad essa |
| Date | |
| Source | Own work |
| Author | Hasanisawi |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:35, 12 July 2022 | | 742 × 902 (43 KB) | Hasanisawi (talk | contribs) | Uploaded while editing "كفاف ظاهر" on ar.wikipedia.org |
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