Question

Let U = {1, 2, 3, 4, 5, 6, 7, 8} and A = {2, 4, 6, 8}. Find A'.

Solution

1. A' contains elements of U that are not in A.
2. Removing 2, 4, 6, and 8 from U leaves 1, 3, 5, and 7.
3. A' = {1, 3, 5, 7}.