1.

Which of the following twA = {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»

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


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