Question

Let U={1,2,3,4,5,6,7,8}A={2,3,6}B={2,4,5,7}C={1,7,8}Find the following use the roster method to write method to write the set. Enter empty or 0 for the empty set.AUB

Answer 1

A U B = set of all elements that are in both A or B:

A U B = {2, 3, 4, 5, 6, 7}

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