Diketahui A = {1,2,3,4,5}, B = {3,4,5,6,7}, dan C =

Diketahui A = {1,2,3,4,5}, B = {3,4,5,6,7}, dan C = {2,3,5,7}. Tentukan: a. A n B b. B n A c. (A n B) n C d. A n (B n C) e. Apakah A n B = B n A f. Apakah (A n B) n C = A n (B n C)