Question: Find, if possible, AB and BA. If it is not possible, explain why. A -10 25 40 42 -5 0 1 B = = 6

Find, if possible, AB and BA. If it is not possible, explain why.

A -10 25 40 42 -5 0 1 B = = 6

A -10 25 40 42 -5 0 1 B = = 6 -15 12

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