Consider two n x n matrices A and B such that the product A B is invertible. Show that
Chapter 2, Problem 66(choose chapter or problem)
Consider two n x n matrices A and B such that the product A B is invertible. Show that the matrices A and B are both invertible. [Hint: AB(AB)~] = In and (AB)~]AB = 1. Use Theorem 2.4.8.j
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