Question

U = {x/x ∈ N; 0 < x < 10}
A = {x/x ∈ N; 4 < x < 9}
B = {x/x ∈ N; 3 < x < 8}
Hallar: A’ – B’

Answer 1

Respuesta:

u= {x/x € N; 0 < 1;2;3;4;5;6;7;8;9 < 10}

a= {x/x € N; 4< 5;6;7;8 <9}

b= {x/x € N; 3<4;5;6;7<8}