Question

observe os conjuntos abaixo e responda
A={0,1,2,3,3} B={3,2,5,6,7} C={2,4,5,8,9

a)(A ∪ B) ∩ (B ∩ C)
b)(A ∩ B) ∩ (B ∩ C)

Answer 1

a) (0,1,2,3,5,6,7)  ∩  (2,5) = { 2,5 }

b) {2,3}  ∩ {2,5} =   {2}