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单词 BoundsForE
释义

bounds for e


If n and m are positive integers and n>m, we havethe following inequalityMathworldPlanetmath:

(1+1n)n<nn+1(1+1m)m+1

Taking the limit as n, we obtain an upper boundMathworldPlanetmath for e.Combining this with the fact that the (1+1/n)n is an increasingsequence, we have the following bounds for e:

(1+1m)m<e<(1+1m)m+1

This can be used to show that e is not an integer – if we takem=5, we obtain 2.48832<e<2.985984, for instance.

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更新时间:2025/5/4 17:49:14