Question: Question 1: Compute AB, BA, 3A + BBQ, A - A' + A - 21, for Question 2: Either find the inverse of the following

Question 1: Compute AB, BA, 3A + BBQ, A - A' + A - 21, for Question 2: Either find the inverse of the following matrix or determine that it is singular (not invertible): (2) 3 2 (b) 0 1 -2 0 1 -1 0 -3 1 2

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