We are told that a certain 5 x 5 matrix A can be written as A = BC,where B is a 5 x 4
Chapter 3, Problem 39(choose chapter or problem)
We are told that a certain 5 x 5 matrix A can be written as A = BC,where B is a 5 x 4 matrix and C is 4 x 5. Explain how you know that A is not invertible.
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