Question: Use matrices A and B to show that the indicated laws hold for these matrices. (A B) = B A A -1 2

Use matrices A and B to show that the indicated laws hold for these matrices.

A -1 2 3 0 -3 -1 9-10-2 7 4 B =

−(A − B) = B − A

A -1 2 3 0 -3 -1 9-10-2 7 4 B = 4-1 -3 0 0 -1 1 11 8 2 5 1

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