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Napier's Inequality


For b>a>0,

 1/b<(lnb-lna)/(b-a)<1/a.

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References

Nelsen, R. B. "Napier's Inequality (Two Proofs)." College Math. J. 24, 165, 1993.

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Napier's Inequality

Cite this as:

Weisstein, Eric W. "Napier's Inequality." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/NapiersInequality.html

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