Timeline for Should the formula for the inverse of a 2x2 matrix be obvious?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| Feb 21, 2012 at 7:37 | history | edited | Tobias Hagge | CC BY-SA 3.0 |
added 1 characters in body
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| Feb 21, 2012 at 7:31 | history | answered | Tobias Hagge | CC BY-SA 3.0 |