Form a partition for the set of integers

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1: For each the following groups of sets, determine whether they form a partition for the set of integers. Explain your answer.

a. A1 = {n ? Z : n > 0}

A2 = {n ? Z : n < 0}

They do not form a partition because A1 nor A2 include 0 which is in the set of integers, A1 is > 0 and A2 is < 0.

b. B1 = {n ? Z : n = 2k, for some integer k}

B?2 = {n ? Z : n = 2k + 1, for some integer k}

B3 = {n ? Z : n = 3k, for some integer k}

Reference no: EM131416995

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