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If U= {1, 2,8, 9}, A = {1, 2, 3, 4} and B = {2, 4, 6, 8} then find A complement?

73. If U= {1, 2,8, 9}, A = {1, 2, 3, 4} and B = {2, 4, 6, 8} then find A complement?

1. {1,2}
2. {2}
3. {8,9}
4. {3,4}

Answer

The correct answer is: C) {8,9}

Explanation

The complement of a set A, denoted by A' in set theory, it is the set of all items in the universal set U that are not in A. To discover A', we must first determine which items in the universal set U are not in A. A' = {8, 9}