A quadratic equation is an algebraic (polynomial) equation of the second order. The general form is ax 2 +bx+c=0 (a≠0) where x is the unknown. Quartic equation a(px 2 +qx+r) 2 +b(px 2 +qx+r)+c=0 Set up a set of two quadratic equations for the unknowns x and y, and find the general form [Yoshio Takeuchi] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
二次の代数(整)方程式を二次方程式という。一般形はxを未知数として 四次方程式 未知数x、yについての二元二次方程式を連立して、一般形 [竹内芳男] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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