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The sequence a1, a2, a3, . . . , an of n integers is such that ak = k if k is odd and ak = –ak – 1 if k is even. Is the sum of the terms in the sequence positive?
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The sequence a1, a2, a3, . . . , an of n integers is such that ak = k if k is odd and ak = –ak – 1 if k is even. Is the sum of the terms in the sequence positive?

User Nichele
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Explanation:

The

User HBMCS
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