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A={2,4,6,8,10} and B={1,2,3,4,5}

Which solution set is the union A U B?
A. {2,4}
B.{1,2,3,4,5,6,8,10}
C.{1,3,5}
D.{7,9}

2 Answers

5 votes

Answer:

the correct answer is A

Explanation:

User TimeTraveler
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The union of the sets is the combination of all the elements of the sets with them listed only once. In the given above, A U B = (1, 2, 3, 4, 5, 6, 8, 10). The numbers 2 and 4 are repeated but we have to write them only once. The answer is letter B.
User Sorin Buturugeanu
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