• 2022-06-29
    设F,G都是4阶方阵,且,则()
    A: 30
    B: 810
    C: -30
    D: -810
  • B

    内容

    • 0

      设F,G都是4阶方阵,且[img=452x70]17a411a35202070.png[/img]

    • 1

      设F,G都是4阶方阵,且https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9e4118a038754e759762167b0732cca0.png

    • 2

      设A、B都是4阶方阵且AB=0,则r(A)+r(B)____.

    • 3

      设都是阶方阵,且,则必有( )。af0a320865a028d46a2a634eb9c694d7.gif86add03614e741ae7e8c1f43d00ca245.gif96e8b8e6be0fd48fe91a9e165a04f3bb.gif

    • 4

      设都是阶方阵,且,则必有( )。af0a320865a028d46a2a634eb9c694d7.gif86add03614e741ae7e8c1f43d00ca245.gif96e8b8e6be0fd48fe91a9e165a04f3bb.gif