Question

dado os conjuntos a={1,3,5,7,9,11} b={2,4,6,8,10} c={1,3,4,5}completea) a u bb) a ∩ bc) a u cd) a ∩ ce) b u cf) b ∩ c

Answer 1

(a u b) = {1,2,3,4,5,6,7,8,9,10,11}
(a ∩ b) = {1,3,5,7,9,11}
(a u c) = {1,3,4,5,7,9,11}
(a ∩ c) = {7,9,11}
(b u c) = {1,2,3,4,5,6,8,10}
(b ∩ c) = {2,6,8,10}