(y-x)²(x-y)+(x-y)的三次方+2(x-y)²(y-x)
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/18 12:15:21
(y-x)²(x-y)+(x-y)的三次方+2(x-y)²(y-x)
解
(y-x)²(x-y)+(x-y)³+2(x-y)²(y-x)
=(x-y)²(x-y)+(x-y)³-2(x-y)²(x-y)
=(x-y)³+(x-y)³-2(x-y)³
=2(x-y)³-2(x-y)³
=0
收录互联网各类作业题目,免费共享学生作业习题
慧海网手机作业共收录了 千万级 学生作业题目
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/18 12:15:21
(y-x)²(x-y)+(x-y)的三次方+2(x-y)²(y-x)
解
(y-x)²(x-y)+(x-y)³+2(x-y)²(y-x)
=(x-y)²(x-y)+(x-y)³-2(x-y)²(x-y)
=(x-y)³+(x-y)³-2(x-y)³
=2(x-y)³-2(x-y)³
=0