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Napier's Inequality
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References
Nelsen, R. B. "Napier's Inequality (Two Proofs)." College Math. J. 24, 165, 1993.Referenced on Wolfram|Alpha
Napier's InequalityCite this as:
Weisstein, Eric W. "Napier's Inequality." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/NapiersInequality.html