Let S be the subset of M2(R) consisting of all upper triangular 2 2 matrices. (a) Verify
Chapter 4, Problem 19(choose chapter or problem)
Let S be the subset of M2(R) consisting of all upper triangular 2 2 matrices. (a) Verify that S is a subspace of M2(R). (b) Determine a set of 2 2 matrices that span S.
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