Question

4) Dados os conjuntos A = {a; b; c; d; e; f; g}, B = {b; d; g; h; i} e C = {e; f; m; n},
determine:
a) A – B =
b) B – C =
c) B – A =
d) (A – B) ∪ (B – A) =

Answer 1

a) A – B =  {a ; c ; d ; e ; f}

b) B – C = {b ; d ; g ; h ; i}

c) B – A = {h ; i}

d) (A – B) ∪ (B – A) = { a ; b ; c ; d ; e ; f ; g ; h ; i}