Question: 1 2 3 4 1 0 1 2 4 2 5. (5 pts) Find 0 0 4 0 0 3 6 9 12 4 0

1 2 3 4 1 0 1 2 4 2 5. (5 pts) Find 0 0 4 0 0 3 6 9 12 4 0 0 1 1 1 6. (4 pts) If A and B are invertible n x n matrices, show that the inverse of AB is B'lA'l. In other words, show (AB)'1 = B'lA'l

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