Question: 1. (12 points) Let i = 1 -1 , A = , B = 7 0 and b = 3 Whenever it is possible, find

1. (12 points) Let i = 1 -1 , A = , B = 7 0 and b = 3 Whenever it is possible, find the following expressions. Explain why if you claim the operation is not possible. (a) Ab (b) 5 (AT) - 3A (C) BA (d) TA

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