Question:
let A={1,2} and B={3,4} write A×B how many subsets A×B will have?List them
Answer:
Given, A = {1,2}, B = {3,4}
AXB = {(1,3),(1,4),(2,3),(2,4)}
Total number of subsets of AXB = 2^4 = 16.
They are: {}, {(1,3)}, {(1,4)}, {(2,3)}, {(2,4)}, {(1,3),(1,4)}, {(1,3),(2,3)}, {(1,3),(2,4)}, ...., {(1,3),(1,4),(2,3),(2,4)}.
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