Question

If A = {1, 2, 3, 4, 5} and B = {3, 6, 9, 12, 15}, what is A B?

Answer 1

AB will be AUB ..that is union of these two sets ...just combine then and write common elements just once

Answer 2

i still dont understand

Answer 3

just combine these two sets {1,2,3,4,5,6,9,12,15} union of both the sets

Answer 4

okay thank you :)