若n阶方阵满足 ,则( )[img=38x24]17a4156164401b5.png[/img]
举一反三
- 若n阶方阵满足[img=117x24]1802f3265f152f9.png[/img],则[img=31x22]1802f3266913708.png[/img]=
- 若5阶方阵A满足r(A)=3,则[img=81x25]18032837a96df35.png[/img]
- 若n阶方阵A,B满足[img=65x19]18031c6c9677aa4.png[/img],且[img=57x25]18031c6c9e7248d.png[/img],则[img=57x19]18031c6ca6fd3fc.png[/img]
- 若A,B都为n阶方阵,则[img=164x22]17e0a7b04722643.jpg[/img]
- 若A,B都为n阶方阵,则[img=164x22]17e436f78daaef3.jpg[/img]