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State whether or not the following matrices are defined. If they are defined, find them 4 . Let A = [ ] ] ] B=

State whether or not the following matrices are defined. If they are defined, find them

4 . Let A = [ ] ] ] B= [; 4 0 10 ( ] c = [ 3 17] a) 10A - B b) BA CJ CB d) BC

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