Question

A={x apartineN|2*x<7} B={x apartine N|x<2} calculati AuB AnB A∆B A×B B×B

Answer 1

A={0,1,2,3}
B={0,1}
AUB={0,1,2,3}
AnB={0,1}
A△B(imi pare rau dar nu stiu ce e asta)
A×B(produsul cartezian, dupa cite am inteles)={(0,0);(0,1);(1,0);(1,1);(2,0);(2,1);(3,0);(3,1);}
B×B={(0,0);(0,1);(0,2);(0,3);(1,0);(1,1);(1,2);(1,3)}