If U=universal set = {1,2,3, 4, 5} and if A= {3, 5}, B = {1,2, 3}, C = {2, 3, 4}, find(2 points each)1. а.(AU B) n (AU C) b.negation(A

U B) \text { c. } \quad A \cap B \cap C \text { d. } \quad \text { negation }(B \cup C)