问题详情

设为矩阵,为矩阵,且乘积矩阵有意义,则C为( )矩阵.


<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/3-2/image016.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/3-2/image017.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/3-2/image018.png" alt="" align="middle">

<img src、"http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/3-2/image019.png" alt="" align="middle">

时间:2021-07-17 19:20 关键词:

答案解析

<img src="http://oss.ouchn.cn/ddzx/N601/gongxue/jjsx/img/3-2/image017.png" alt="" align="middle">