…The root of this new cubic equation is , where ω is one of the imaginary cube roots of 1, and α and β are (Cardano's solution). -( q 2 +4 p 3 ) is called the discriminant (of both the old and new cubic equations). … *Some of the terminology used in reference to "Cardano's solution" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ただし,この新しい三次方程式の根は,である。ただし,ωは1の虚立方根の一つ,α,βは,である(カルダノの解法)。-(q2+4p3)は(新,旧,両三次方程式の)判別式と呼ばれる。… ※「カルダノの解法」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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