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I dont understand The dual of a pencil will be the set of points on a line. How do conics fit in. A precice definition might help me — Preceding unsigned comment added by 111.220.109.253 (talk) 02:58, 9 December 2023 (UTC)
- Same question is asked and NOT answered atunderstand
- https://math.stackexchange.com/questions/3036402/what-is-a-projective-range 111.220.109.253 (talk) 03:06, 9 December 2023 (UTC)