Question

considerando os conjuntos u={0,1,2,3,4,5,6}, A={1,2}, B={2,3,4} e C={4,5} determine: (u-a)∩(b∪C)

Answer 1

(u-a)∩(b∪C) =
{0,3,4,5,6} ∩ {2,3,4,5} =
{3,4,5}