Question

(PUC-RJ/2009) Considere o conjunto A = {3,5}. Sabendo que: B ∩ A = {3} e B ∪ A = 1,2,3,4,5},

determine o conjunto B.

(A) B = {1,2,3}.

(B) B = {1,2,4}.

(C) B = {1,2,3,4}.

(D) B = {1,2,3,5}.

(E) B = {1,2,3,4,5}.​

Answer 1

Resposta:

Letra "C" B= {1,2,3,4}.