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x1加x2的公式是什么

更新时间: 2020-10-22 00:00:00     

x1+x2的公式是韦达定理,即x1+x2=-b/a。该公式由法国数学家弗朗索瓦·韦达在著作《论方程的识别与订正》中提出了这条定理。他发现并建立了方程根与系数的关系。由于韦达最早发现代数方程的根与系数之间有这种关系,人们把这个关系称为韦达定理。

关键词: x1 x2 公式 什么

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