1. Given the following matrices: 1 2 3 4] [4 2 468 A = B = 1 3 5 7 -1 2 2 4] a. [(AC)BT] - DT b. [(BD)TCT] + A Evaluate 8 L4 7 91 5 3 42] C = 1 3 -2 -1 1 2 3 5 3 -4 -1 1 D = 2 -1 1 2 1 41 2-8 9 7-2 5]

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