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Math problem, AUB

Mathematics
Tutor: None Selected Time limit: 0 Hours

Find A ∩ B. (Use the roster method to write the set. Enter EMPTY or ∅ for the empty set.)

A = {1, 5, 6, 7}    B = {1, 5, 6, 7}
Mar 19th, 2015

Since all elements of A (or B) belong to the other set, their intersection is  A ∩ B = {1, 5, 6, 7}.

Note that A ∩ B = A = B.

Mar 19th, 2015

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