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- Thread starter dwsmith
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- Jan 26, 2012

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For what $n\in\mathbb{Z}^+$ does $-2/3=(-1)^n/[1 + (1/n)]$All numbers of the form $(-1)^n/[1 + (1/n)]$, $n\in\mathbb{Z}^+$.

$(-1)^n/[1 + (1/n)] = (-1, 1)$ is that true?

CB

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