Question

3) Daca A = ( 1;2;3 ) si B =( 2;4;5;6)calculeaza. a)A intersectat B; b)A unit B; c)A\B; d)B\A

Answer 1

A intersectat cu B={2}
A unit cu B={1,2,3,4,5,6}
A\B={1,3}
B\A={4,5,6}