Find the order of the matrix product AB and the product BA, whenever the products exist.A is 4 x 2, B is 2 x 4.
A. AB is 2 x 2, BA is 4 x 4.
B. AB is 4 x 4, BA is nonexistent.
C. AB is nonexistent, BA is 2 x 2.
D. AB is 4 x 4, BA is 2 x 2.
Answer: D
Mathematics
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