5x丨m丨y²-(m-2)xy-3"(丨m丨代表x的丨m丨次方) m=?5x丨m丨y²-(m-2)xy-3是四次三项式,m为2?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 10:25:52
5x丨m丨y²-(m-2)xy-3"(丨m丨代表x的丨m丨次方)m=?5x丨m丨y²-(m-2)xy-3是四次三项式,m为2?5x丨m丨y²-(m-2)xy-3"(丨m丨

5x丨m丨y²-(m-2)xy-3"(丨m丨代表x的丨m丨次方) m=?5x丨m丨y²-(m-2)xy-3是四次三项式,m为2?
5x丨m丨y²-(m-2)xy-3"(丨m丨代表x的丨m丨次方) m=?5x丨m丨y²-(m-2)xy-3是四次三项式,m为2?

5x丨m丨y²-(m-2)xy-3"(丨m丨代表x的丨m丨次方) m=?5x丨m丨y²-(m-2)xy-3是四次三项式,m为2?
5x丨m丨y²-(m-2)xy-3"(丨m丨代表x的丨m丨次方) m=?5x丨m丨y²-(m-2)xy-3是四次三项式,m为2?
∴|m|+2=4;
|m|=2;
m=±2;
m-2≠0;
∴m=-2;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,