(Answered): Question 1 Let A, B and C be subsets of a universal set U. Which one of the following four Venn dia ...

Question 1 Let A, B and C be subsets of a universal set U. Which one of the following four Venn diagrams represents the set ((A + B) C)-(Bn C)? 1. B ? 2. B 3. B ? 4. A B Question 2 Let A, B and C be subsets of a universal set U = {1, 2, 3}. The statement Au (B' C) = (A - B) C is NOT an identity. Which of the following sets A, B and C can be used in a counterexample to prove that the given statement is not an identity? 1. 2. 3. 4. A = {1}, B = {2, 3} & C = {3} A = {1}, B = {2} &C = {1} A = {1}, B = {1} & C = {1} A = {1, 2, 3}, B = {1} &C = {1}