Given the matrix below, find ATB. -1 21 A =5 0 and B = [3 -2 1] 7 Lo 4 2] 3 Choose your answer here. 1. |2 3 l2 4 3 [2 21 I1.3 4 [4 3] -1 -3 21 -2 0 1 1 III. 5 IV.UNDEFINED IV II

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