Question

Va rog ex 2, urgenttttt !

Answer 1

a) A U B= {1,2,4,5,6,7}
b) B U A= {1,2,4,5,6,7}
c) A intersectat B= {2}
d) B intersectat A= {2}
e) A-B= {1,5,7}
f) B-A= {4,6}