Provide an appropriate response.Suppose that A and B are two matrices such that A + B, A - B, and AB all exist. What can you conclude about the dimensions of A and B?
A. A and B have the same dimension, but are not necessarily square matrices.
B. A and B are square matrices of the same dimension.
C. There are no dimensions of A and B that would make this possible.
D. A is a row matrix and B is a column matrix.
Answer: B
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