题目:A=y(x-y)(x-z)+z(x-y)(z-x) 问:(1)将多项式A分解因式(2) x/2=y/3=z/4,求

问题描述:

题目:A=y(x-y)(x-z)+z(x-y)(z-x) 问:(1)将多项式A分解因式(2) x/2=y/3=z/4,求A/(xyz)的值
等到5点啊,要有详细过程
1个回答 分类:数学 2014-10-19

问题解答:

我来补答
{1}A=y(x-y)(x-z)-z(x-y)(x-z)
=(x-y)(x-z)(y-z)
(2)就是将x/2=y/3=z/4通分,再把A带入就可以了
 
 
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