Question

If U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {1, 2, 3, 5}, B = {2, 4, 6, 7} and C = {2, 3, 4, 8}. Then
(i) (B ∪ C)′ is ______________.
(ii)(C – A)′ is ______________.
Fill in the blanks

Answer 1

(i) (B U C)' is {2,3,4,6,7,8}
(ii) (C - A)' is {4,8} .