charpay charpay 25-09-2020 Mathematics contestada A = (1, 3, 5, 7, 9) B = {2, 4, 6, 8, 10) C = (1, 5, 6, 7, 9) A U (B n C) = {1,5,7,9) (1, 3, 5, 6, 7, 9) (1,5, 6, 7, 9) set theory