If A and B are two matrices such that both AB and BA are defined, then
A. A and B can be any two matrices.
B. A and B are not square matrices not necessarily of the same order.
C. A and B are square matrices of the same order.
D. a number of columns of A = number of rows of B.
Answer:A
If A and B are two matrices such that both AB and BA are defined, then
A. A and B can be any two matrices. B. A and B are not square matrices not necessarily of the same order. C. A and B are square matrices of the same order. D. a number of columns of A = number of rows of B.