How many elements are in A1 A2 if there are 12 elements in
Chapter 11, Problem 1E(choose chapter or problem)
How many elements are in A1? A2 if there are 12 elements in A1, 18 elements in A2, anda) A1 ? A2= ??________________b) | A1 ? A2| = 1?________________c) | A1 ? A2| = 6?________________d) A1 ? A2?
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