Question

Write all the subsets of b= -3,2,4​

Answer 1

Given, A={1,2} and B={3,4}.

Now,

A×B={(1,3),(1,4),(2,3),(2,4)}.

Since A×B contains 4 elements, so number of subsets of A×B is 2^4 = 16.

Answer 2

{}

{2}

{4}

{6}

{8}

{10}

and so on