Timeline for Irrationality of square root of 2 [closed]
Current License: CC BY-SA 2.5
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 26, 2010 at 22:09 | comment | added | Qiaochu Yuan | In the future, you'd have better luck directing such questions to sites like artofproblemsolving.com. | |
| Jun 26, 2010 at 19:37 | comment | added | Yemon Choi | -1 for not saying what the questioner doesn't understand... | |
| Jun 26, 2010 at 18:33 | comment | added | Pietro Majer | Christian: on a side note, you may like the analogous elementary proof of the irrationality of the other classic number, the golden ratio. Since it verifies the relation x=1+1/x and 1<x<2, if x were rational, x=p/q with 0<q<p, then also x=q/(p-q), and 0<p-q<q so there is no minimal denominator, a contradiction. | |
| Jun 26, 2010 at 18:24 | comment | added | Kim Morrison | Closed, please check the FAQ. | |
| Jun 26, 2010 at 18:22 | history | closed |
Robin Chapman Kim Morrison |
not a real question | |
| Jun 26, 2010 at 17:31 | comment | added | Andreas Blass | The proof looks perfectly clear to me, except for a typo; CG=CD should be CG=GD (which is correctly stated earlier). What needs explanation? (This doesn't seem appropriate for MathOverflow.) | |
| Jun 26, 2010 at 17:20 | history | asked | Christian | CC BY-SA 2.5 |