Question

Let A = {2, 5, 6, 8} and B = {5, 7, 9, 1}. Find A union B
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Answer 1

Answer:

A union B = { 2, 5,6,7,8,9,1}

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Answer 2

Answer:

A-2., 5,6,8

B - 5,7,9,1

5 is common