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LetAandBbenxnmatricessuchthatAB=0.ProvethatrankA+rankB<=n.A和B都是nXn矩阵并且AB=0证明rankA+ran...
Let A and B be nxn matrices such that AB = 0. Prove that rankA+rankB <= n.
A和B都是nXn矩阵 并且AB=0 证明rankA+rankB小于等于n 展开
A和B都是nXn矩阵 并且AB=0 证明rankA+rankB小于等于n 展开
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