Question

Sendo A = {1,2,3}, B = {4,5,6} e C = {2,3,4,5}, calcule [(A U B) - C] - (A U C):

A) {6}
B) { 2,3,4,5}
C) {1,6}
D) { }
E) {1}

Answer 1

A U B = {1,2,3,4,5,6}
C= {2,3,4,5}
{1,2,3,4,5,6} - {2,3,4,5}= {1,6}

A U C= {1,2,3,4,5}
{1,6} - {1,2,3,4,5}= {6}
LETRA A)