The matrix A has x rows and x + 5 columns. The matrix B has y rows and – McqOptions

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1.	The matrix A has x rows and x + 5 columns. The matrix B has y rows and 11 - y columns. Both AB and BA exist. What are the values of x and y respectively?
A.	8 and 3
B.	3 and 4
C.	3 and 8
D.	8 and 8
Answer» D. 8 and 8

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