Question

dados os conjuntos A = {0,2,3}, B = {1,2,3,4} e C = {1,2,3}, Obtenha

a) A u B
b) A ∩ B
c) A – B
D) A – (B –C)​

Answer 1

A = {0,2,3}, B = {1,2,3,4} e C = {1,2,3}

a) A U  B ={0,1,2,3,4}

b) A ∩ B = {2,3}

c) A - B  = {0 }

D) A - (B -C)​ =A - { 4 }   ={0,2,3}