Question

find A multiply B A=(1,2) and B=(c,d)​

Answer 1

Answer:

A X B = { 1,2} X { c,d)

          = { ( 1,c) , ( 1,d ) , (2,c) ,( 2,d) }

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Answer 2

A × B = { (1,C), (1,D), (2,C), (2,D) }