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Please HELP! How many pairs (A, B) are there where A and B are subsets of {1, 2, 3, 4, 5, 6, 7, 8} and A ∩ B has exactly two elements?

Please HELP! How many pairs (A, B) are there where A and B are subsets of {1, 2, 3, 4, 5, 6, 7, 8} and A ∩ B has exactly two elements?
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Please HELP!

How many pairs (A, B) are there where A and B are subsets of {1, 2, 3, 4, 5, 6, 7, 8} and A ∩ B has exactly two elements?

User Dmitry Ornatsky
by
8.4k points

1 Answer

0 votes

Answer:

There are 256 pairs in all.

User Quintin Robinson
by
7.8k points
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