Recent content by aukie

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    MHB Rank of the product of two matrices

    Hello Both of the below theorems are listed as properties 6 and 7 on the wikipedia page for the rank of a matrix. I want to prove the following, If A is an M by n matrix and B is a square matrix of rank n, then rank(AB) = rank(A). Apparently this is a corollary to the theorem If A...