The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.A is 4 × 3, and B is 4 × 3.
A. 4 × 4; 3 × 3
B. AB does not exist; BA does not exist.
C. 4 × 3; 3 × 4
D. 3 × 4; 4 × 3
Answer: B
Mathematics
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