Question: 20. (5 points) Let A be a 2 1-matrix and B be a 1 3-matrix such that AB = i * 2 : What can

20. (5 points) Let A be a 2 1-matrix and B be a 1 20. (5 points) Let A be a 2 1-matrix and B be a 1 3-matrix such that AB = i * 2 : What can you say about x and y? (A) Not enough information to determine x and y. (B) = 3 and y = 4. (C) None of the other answers. (D) = 4 and y = 3. (E) c=3 and y=4

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