Question: -1 2 1 1 0 -2 9. Let A and B = -1 2 1 -2 Compute AB and find the sizes of A,

-1 2 1 1 0 -2 9. Let A and B =

-1 2 1 1 0 -2 9. Let A and B = -1 2 1 -2 Compute AB and find the sizes of A, B, and AB. 3 2 2.

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