Question

If A = {1,3,5} and B = {2,3} then (i) find A X B and B X A.

Answer 1

Answer:

A×B={1,3,5}×{2,3}

={(1,2),(1,3),(3,2),(3,3),(5,2),(5,3)}

B×A={2,3}×{1,3,5}

={(2,1),(2,3),(2,5),(3,1),(3,3),(3,5)}