-1 9 5 -1 - Given matrices A = 4 -6 1 and B= = 7...

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-1 9 5 -1 - Given matrices A = 4 -6 1 and B= = 7 1 - 7-65 3 3 6 0 -6 -1 7 1 -7 3-4 - a) Is it possible to multiply AB? Select an answer b) If it's possible, what are the dimensions of AB? (If not possible, write DNE in both blanks.) Answer: The dimensions are c) Is it possible to multiply BA? Select an answer d) If it's possible, what are the dimensions of BA? (If not possible, write DNE in both blanks.) Answer: The dimensions are -1 9 5 -1 - Given matrices A = 4 -6 1 and B= = 7 1 - 7-65 3 3 6 0 -6 -1 7 1 -7 3-4 - a) Is it possible to multiply AB? Select an answer b) If it's possible, what are the dimensions of AB? (If not possible, write DNE in both blanks.) Answer: The dimensions are c) Is it possible to multiply BA? Select an answer d) If it's possible, what are the dimensions of BA? (If not possible, write DNE in both blanks.) Answer: The dimensions are