Timeline for Closed form roots for polynomial $x^9 + ax^6 + bx^5 + cx^3 + d = 0$
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Aug 5, 2022 at 15:37 | comment | added | Somnium | I would say it is not possible with Tschirnhaus transformations, because to get rid of all powers except multiples of 3, you need many parameters, so degree of polynomial involved in transformation will be greater than 5, so unsolvable. That doesn't say anything about specific cases though. | |
| Aug 5, 2022 at 15:36 | answer | added | Peter Mueller | timeline score: 7 | |
| S Aug 5, 2022 at 14:45 | history | suggested | AVK | CC BY-SA 4.0 |
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| Aug 5, 2022 at 13:43 | review | Suggested edits | |||
| S Aug 5, 2022 at 14:45 | |||||
| Aug 5, 2022 at 12:49 | history | asked | Moonwalker | CC BY-SA 4.0 |