Question

Let A = {1, 2 } and B = = {3, 4, 5 }.
Find (i) A x B

(ii) A X A

(iii) | B X B |

Answer 1

Answer:

ii) A× A={ 1,2} × {1,2}

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