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If \(an \ne 0\) and \(n\) is a positive integer, is \(n\) odd?
(1) \(a^n + a^{n + 1} < 0\)
(2) \(a\) is an integer.
Answer: C
Source: Manhattan GMAT
(1) \(a^n + a^{n + 1} < 0\)
(2) \(a\) is an integer.
Answer: C
Source: Manhattan GMAT
