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有理化因式的概念
更新时间： 2021-04-19 15:04:59  

1、有理化因式的概念是：两个含有根式的代数式相乘,如果它们的积不含有根式,那么这两个代数式相互叫做有理化因式。如√a的有理化因式是正负√a，√a+√b的有理化因式是√a-√b或√b-√a。

2、共轭因式亦称有理化因式、有理化因子，指乘积为有理式的两个无理式。若两个含有根式的代数式S与M的乘积SM是有理式，则它们互称共轭因式。

关键词： 理化 因式 概念

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