1.

Let A be {1, 2, 3, 4}, U be set of all natural numbers, then U-A (complement of A) is given by set.

A. {1, 2, 3, 4, 5, 6, .}
B. {5, 6, 7, 8, 9, }
C. {1, 2, 3, 4}
D. All of the mentioned
Answer» D. All of the mentioned


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