Use the matrices to find BA, if possible. [2121 [11311 A = 331 B = 4311 [3201] + 2 161 129 1 12 1 0 b. [ 14 9 7 51 18 14 12 8 17 13 13 8 1061 126 1 12 0 0. d. 1 0611 12 6 1 1 12 0 0 1] e. BA is undefined.

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