B.Suppose that the universal get is (a, b, c, d, e, f, g)
A = (a,b,c,d) B=(a,d,e) c= (c, f, i, g, h)
1.A' =. 4.D=(A U B) =
2.B'=. 5.E=(A,C,B)=
3.C'=​