Question: If A and B are 4 x 3 matrices, and C' is a 5 x 4 matrix, which of the following are defined? D A.

If A and B are 4 x 3 matrices, and C' is a 5
If A and B are 4 x 3 matrices, and C' is a 5 x 4 matrix, which of the following are defined? D A. CB O B. AT CT DC. A + B D D. AB O E. BT OF.B+ C

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