Question

8) .- Si: U = {x/x ∈ N; 0 < x < 10}
A = {x/x ∈ N; 4 < x < 9}
B = {x/x ∈ N; 3 < x < 8}
Hallar: A’ – B’
a) {1} b) {2}
c) {3} d) {4}
e) {5}

Answer 1

Para cuidar el Ecosistema debemos: