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Find the smallest set A such that A ∪ {1, 2} = {1, 2, 3, 5, 9}. |
Answer» A ∪ {1, 2} = {1, 2, 3, 5, 9} The elements of A and {1, 2} together give us the result Therefore smallest set of A can be A = {1, 2, 3, 5, 9} – {1, 2} A = {3, 5, 9} |
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