The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product can be calculated.A is 4 × 4; B is 4 × 4.
A. AB is 1 × 1; BA is 1 × 1.
B. AB is 8 × 4; BA is 8 × 4.
C. AB is 4 × 8; BA is 4 × 8.
D. AB is 4 × 4; BA is 4 × 4.
Answer: D
Mathematics
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