Question

São dados os conjuntos:
A = { ∈ ℤ| − 4 < ≤ 2}
B = { ∈ ℕ| ≤ 3}
C = { ∈ ℤ| − 2 < < 5}
D = { ∈ ℤ|3 ≤ ≤ 8}
Determine:
a) A∪B
b) A∩D
c) A∪B∪D
d) A∩B∩C∩D
e) (A∩D)∪(B∩C)

Answer 1

Explicação passo-a-passo:

a) A∪B=>{-4,-3,-2,-1,0,1,2,3}

b) A∩D=>{ }

c) A∪B∪D=>{-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}

d) A∩B∩C∩D=>{ }

e) (A∩D)∪(B∩C)=>{0,1,2,3}