Question

A= {3,4,6,7,8,9}
B={0,1,2,3,5,9}
AUB=
A* u întors* B
A\b=
B\a=

Answer 1

A U B={0,1,2,3,4,5,6,7,8,9}
A*u intors* B={3,9}
A\B={4,6,7,8)
B\A={0,1,2,5}