Question: Let A be a 4 by 7, B be a 7 by 8 and C be a 8 by 4 matrix. Determine the size

Let A be a 4 by 7, B be a 7 by

Let A be a 4 by 7, B be a 7 by 8 and C be a 8 by 4 matrix. Determine the size of the following matrices (if they do not exist, type N in both answer boxes): AB: 4 by 8 BA: N by N ATB: 4 by 8 BC: 7 by 4 ABC: N by N CA: 8 by 7 BTA: N by N BCT: 7 by 4

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