A × B = {1.2} × {3,4} = {(1,3),(1,4),(2,3),(2,4)} Subsets are 1. ⌀ or { } 2. {(1,3)} 3. {(1,4)} 4. {(2,3)} 5. {(2,4)} 6. {(1,3),(1,4)} 7. {(1,3),(2,3)} 8. {(1,3),(2,4)} 9. {(1,4),(2,3)} 10. {(1,4),(2,4)} 11. {(2,3),(2,4)} 12. {(1,3),(1,4),(2,3}} 13. {(1,3),(1,4),(2,4}} 14. {(1,4),(2,3),(2,4}} 15. {(1,3),(1,4),(2,3}} 16. {(1,3),(1,4),(2,3},(2,4)} Edwin