DLMF:32.11.E17 (Q9452)

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Language	Label	Description	Also known as
English	DLMF:32.11.E17	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle d^{2}=\pi^{-1}\ln\left(1+k^{2}\right),}}

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DLMF:32.11.E17

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{\displaystyle{\displaystyle\operatorname{sign}\left(k\right)=(-1)^{n}}}

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the ratio of the circumference of a circle to its diameter

Defining formula

{\displaystyle{\displaystyle\pi}}

C3.S12.E1.m2acdec

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principal branch of logarithm function

Defining formula

{\displaystyle{\displaystyle\ln\NVar{z}}}

C4.S2.E2.m2agdec

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Defining formula

{\displaystyle{\displaystyle\operatorname{sign}\NVar{x}}}

introduction.Sx4.p2.t1.r18.m6acdec

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Defining formula

{\displaystyle{\displaystyle n}}

C32.S1.XMD2.m1adec

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Sitelinks

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