5(y-x)³·3x²(x-y)^6计算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/19 10:44:27
5(y-x)³·3x²(x-y)^6计算

5(y-x)³·3x²(x-y)^6计算
5(y-x)³·3x²(x-y)^6计算

5(y-x)³·3x²(x-y)^6计算
5(y-x)³·3x²(x-y)^6
=5(y-x)³·3x²(y-x)^6
=15x²(y-x)^9

=-5(x-y)³·3x²(x-y)^6
=-15x²(x-y)^9