Find the number of elements in A1 A2 A3 if there are 100
Chapter 11, Problem 5E(choose chapter or problem)
Problem 5E
Find the number of elements in A1 ∪ A2 ∪ A3 if there are 100 elements in each set and if
a) the sets are pairwise disjoint.
b) there are 50 common elements in each pair of sets and no elements in all three sets.
c) there are 50 common elements in each pair of sets and 25 elements in all three sets.
d) the sets are equal.
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