Open AccessClassification of cubic equations
Author(s) -
Juozas Juvencijus Mačys,
Jurgis Sušinskas
Publication year - 2018
Publication title -
lietuvos matematikos rinkinys
Language(s) - English
Resource type - Journals
eISSN - 2335-898X
pISSN - 0132-2818
DOI - 10.15388/lmr.b.2018.7
Subject(s) - degree (music) , mathematics , cubic function , mathematical analysis , pure mathematics , calculus (dental) , physics , medicine , orthodontics , acoustics
Rather unexpectably all real equations of the fourth degree are solvable by real means. So we canclassify all real equations of the third and fourth degree. In this article we classify real cubics. Thereal quartics will be classified in another article.