universal set = U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; A = {1, 2, 3, 4, 5, 7} B = {0, 2, 4, 6, 7, 8}; C = {1, 3, 4, 8}, find each set.
1. B'
2. C'
3. A' U C'