Question

(A U B) U (A n B)
A= {1,3,7,9,10}
B={2,5,7,8,9,10}
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Answer 1

(A U B) = {1,2,3,5,7,8,9,10}

(A n B)= {7,9,10}

(A U B) U (A n B) = {1,2,3,5,7,8,9,10}

Explanation: