Find U, A; and NË, A; if for every positive integer i, a) A; = {-i, -i + 1, ..., -1, 0, 1, ..., i– 1, i}. b) A; = {-i, i}. c) A; = [-i, i], that is, the set of real numbers x with -i i. i=1 %D

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A: This is a problem related to set theory. Based on the general formula we will answer the question.…

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A: Solution-Let A be the set of integers bigger than 3 and smaller than 10.A={4,5,6,7,8,9}

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