In 9, you should have proved that the set M22 of 2 X 2 arrays of real numbers or
Chapter 7, Problem 35(choose chapter or problem)
In 9, you should have proved that the set M22 of 2 X 2 arrays of real numbers or matrices, is a vector space with vector addition and scalar multiplication defined in that problem. Find a basis for M22 What is the dimension of M22?
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