Question: Use matrices A and B to show that the indicated laws hold for these matrices. A + O = A A 7 4 -1 2

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

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

A + O = A

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

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