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Find $N$ so that for all $n\geq N$ holds that : $$ 2^{-n} + 3^{-n} + 4^{-n} < \frac{1}{365} $$

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    Finding *some* $N$ is easy... do you actually want the smallest $N$? And is this homework?2012-04-16
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    $N=9$ by trial and error... not very enlightening...2012-04-16

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