Question

If A={1,2,3) & B=(2, 3), prove that: AXB≠BxA.​

Answer 1

Step-by-step explanation:

A×B= { (1,2),(1,3),(2,2),(2,3),(3,2),(3,3)}

B×A={ (2,1),(2,2),(2,3),(3,2),(3,3)}

some elements of A×B is not in B×A

therefore A×B ≠B×A