Considere o conjunto universo S = {x vZ, -3 < x ≤ 12} em que escolhemos os seguintes subconjuntos: A = {-1,2,6,8,12}; B = {1,3,4,5,11,12}; C = {-2,1,2,4,6,12}. O subconjunto de A – (B ∩ C) é:
A) {6,12};
B) {2,6,12};
C) {7,9};
D) {-1,2,6,8}.
A) {6,12};
B) {2,6,12};
C) {7,9};
D) {-1,2,6,8}.
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S = {x ∈ Z | -3 < x ≤ 12}
A = {-1,2,6,8,12}
B = {1,3,4,5,11,12}
C = {-2,1,2,4,6,12}
A – (B ∩ C) =
{-1,2,6,8,12} – {1,3,4,5,11,12} ∩ {-2,1,2,4,6,12} =
{-1,2,6,8,12} – {1,4,12} =
{-1,2,6,8}
D) {-1,2,6,8}