Question

Which of the following tw
A = {1,2} & B = {1}
A = {1,2}& B = {1,2,3}
3) A = {1,2,3}& B = {2,1,3}
A = {1,2,4} & B = {1,2,3)​

Answer 1

It is given that A={x,y,z} and B={1,2}

∴ A×B={(x,1),(x,2),(y,1),(y,2),(z,1),(z,2)}

Since n(A×B)=6

The number of subsets of A×B is 2^6