已知x+y=6,xy=-3,则x²y+xy²=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 06:08:47
已知x+y=6,xy=-3,则x²y+xy²=
已知x+y=6,xy=-3,则x²y+xy²=
已知x+y=6,xy=-3,则x²y+xy²=
x²y+xy²
=xy(x+y)
=-3×6
=-18
已知x+y=6,xy=-3,则x²y+xy²=
已知x+y=6,xy=-3,则x²y+xy²=
已知x+y=6,xy=-3,则x²y+xy²=
x²y+xy²
=xy(x+y)
=-3×6
=-18