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Let A and B be subsets of {1, 2, 3, ..., 10}.  Find the number of pairs (A,B) such that \(A \cap B = \emptyset\)

 Jul 4, 2020
 #1
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1 pair because (A,B) doesn't want to be changed into anything else. Trust me, I asked it myself.

 Jul 4, 2020

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