erynhartley76451 erynhartley76451 25-05-2023 Social Studies contestada Prove that the operations U and are commutative and associa tive, in the sense that AUB=BUA, AnB = BnA for any pair of sets A and B. and that AU (BUC) = (AUB) UC An (BNC) = (ANB) nC for any sets A, B and C.