Timeline for What's your favorite equation, formula, identity or inequality?
Current License: CC BY-SA 2.5
3 events
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| Jul 29, 2010 at 18:04 | comment | added | Qiaochu Yuan | Even better: the higher-dimensional Pythagorean ones are all a corollary of the Cauchy-Binet formula (en.wikipedia.org/wiki/Cauchy%E2%80%93Binet_formula), which has a combinatorial proof. | |
| Jul 15, 2010 at 20:40 | comment | added | Hans Lundmark | Yes, this one deserves to be better known. I like the Euclidean one since it looks so bizarre at first: "Area squared, what the heck is that?!?". :) | |
| Jul 15, 2010 at 15:37 | history | answered | Blue | CC BY-SA 2.5 |