Question

Determinati: N u R; N\Z; Q n Z; R n Q; (R\Q) n Z; Q\ R

Answer 1

N ∪ R = R ;

N \  Z  = ∅ ;

Q ∩ Z = Z ;

R ∩ Q = Q ;

(R \ Q)∩Z = ∅ ;

Q \ R =∅ ;