If A = {2, 4, 6, 8} and U = {1, 2, 3, 4, 5, 6, 7, 8, 9,}, then A'=
{1,3,5,7,9}
{1,3,5,6,9}
{1,3,5,7}
{1,3,5,8,9}
If U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {2, 4, 6, 8} and B = {2, 3, 5, 7}, verify that
(i) (A∪B)′=A′∩B′
(ii) (A∩B)′=A′∪B′
The roster form of the set {x:x=2r+3, where r ϵ I and −2<r≤3}.