Is there a nice analytic criterion when does three normals of three points on the same conic section meet at the same point?
For parabola we have an answer here: 3 normals on a parabola
Also, is there an Euclidian geometry criterion?
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1Related: https://math.stackexchange.com/a/2751265/248217. – Oscar Lanzi Apr 05 '20 at 15:58
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2This could be of help for an ellipse: https://math.stackexchange.com/questions/2553266/ellipse-concurrency-of-normals – Intelligenti pauca Apr 05 '20 at 19:42
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do u have any combinatorics questions? – mathworker21 Apr 09 '20 at 04:09
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@mathworker21 Yeah sure, what am I doing wrong here: https://math.stackexchange.com/questions/3590204/anna-stands-at-a0-0-and-eve-at-b5-3-what-is-the-maximum-probability-th – nonuser Apr 09 '20 at 07:05
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@Aqua what level of education are you in? – mathworker21 Apr 13 '20 at 20:11
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highschool ....@mathworker21 – nonuser Apr 13 '20 at 20:12
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@mathworker21 "I recently dropped out of math grad school. I am now an employee at Infowars." What do you do there? And why did you dropped? – nonuser Apr 21 '20 at 15:51
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1@Aqua Currently a mix of video editing and journalism. I dropped out because I thought I could make a bigger impact on the world through journalism. I understand wanting to do math for the fun of it, but I wanted to make a difference in the world. – mathworker21 Apr 21 '20 at 16:05
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But you will be still active here? @mathworker21 – nonuser Apr 21 '20 at 17:18
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@Aqua yup ${}{}{}{}$ – mathworker21 Apr 21 '20 at 17:21