Note that there is no universal set present in formulas, "U" there is a sign expressing union operation on sets. Given set expressions, indicate which areas should be shaded, if any, on given Venn diagrams. a) (AUB) n (AUC) #1 #3 #7 Solution: area(s) b) (AnB)'U (Anc) #2 #1 #3 Solution: area(s) c) (AnBn cyUB 0 #5 #1 #3 #7 Solution: area(s) #2 #3 #8 Solution: area(s)