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Given the set of letters in the word “seven”, what is the cardinality of the given set?
4
A = {1, 2, 4, 5, 6} B = {1, 3, 5, 7} C = {2, 4, 6, 8}; Find Find A U B.
{1, 2, 3, 4, 5, 6, 7}
