题目内容
(请给出正确答案)
[主观题]
已知P为非零三阶矩阵, PQ=0,则:(A)当t=6时,r(P)=1;(B)当t=6时,r(P)=2;(C)当t≠6时,r(P)=1;(D)当
已知P为非零三阶矩阵, PQ=0,则:(A)当t=6时,r(P)=1;(B)当t=6时,r(P)=2;(C)当t≠6时,r(P)=1;(D)当
已知
P为非零三阶矩阵, PQ=0,则:
(A)当t=6时,r(P)=1;
(B)当t=6时,r(P)=2;
(C)当t≠6时,r(P)=1;
(D)当t≠6时,r(P)=2.
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