Multiple Choice
The size of two matrices is given. Find the size of the product AB and the product BA, if the products exist.
-A is 2 × 1, B is 1 × 1.
A) AB is 2 × 1, BA is undefined.
B) AB is 2 × 2, BA is 1 × 1.
C) AB is undefined, BA is 1 × 2.
D) AB is 1 × 2, BA is 1 × 1.
Correct Answer:
Verified
Correct Answer:
Verified
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