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Mathematics 19 Online
OpenStudy (anonymous):

suppose U= (1, 2, 3, 4, 5) is the universal set and A= (2, 3). What is A' ?

OpenStudy (kirbykirby):

A' = (1, 4, 5). It is everything in U that is NOT in A

OpenStudy (kirbykirby):

(exclude the elements that are found in A, and those are the elements of A')

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