Question

if a ={1,2,4} and b={5,7} determine a*b and b*a​

Answer 1

Step-by-step explanation:

A×B = { (1,5),(1,7),(2,5),(2,7),(4,5),(4,7) }

B×A = { (5,1),(5,2),(5,4),(7,1),(7,2),(7,4) }

NO.OF A×B ;

A= 3 , B= 2

A×B = 6

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