Question

Fie multimile : A={1;2;3;4}, B={2;4;6;8 } C={1,35,7}. calculati a A in intersectie cu B b) A in reuniune cu B c) C in intersectie cu B d) C in reuniune cu B

Answer 1

a)A∩B={2,4}
b)A∪B={1,2,3,4,6,8}
c)C∩B=∅
d)C∪B={1,2,3,4,5,6,7,8}