The product
A = [-2 4] , & B= [-2. 1]
1 3 3 8
a. ;Find AB, if possible.
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A. AB= _______.
B. The product AB cannot be found.
b. ;Find ;BA, if possible. ;
A. ;BA= ________.
B. the product BA cannot be found.
c.Are the answers in parts ;a ;and ;b ;thesame?
A. yes
B. no
d. ;In ;general, for matrices A and B such that AB and BA both ;exist, does AB always equal ;BA?
A. Yes
B. No
