DLMF:27.11.E7 (Q8076)

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No description defined

Language	Label	Description	Also known as
English	DLMF:27.11.E7	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\sum_{n\leq x}\frac{\phi\left(n\right)}{n}=\frac{6% }{{\pi^{2}}}x+O\left(\ln x\right).}}

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DLMF:27.11.E7

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{\displaystyle{\displaystyle x\geq 2}}

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order not exceeding

Defining formula

{\displaystyle{\displaystyle O\left(\NVar{x}\right)}}

C2.S1.E3.m2afdec

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Euler’s totient

Defining formula

{\displaystyle{\displaystyle\phi\left(\NVar{n}\right)}}

C27.S2.E7.m2aadec

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the ratio of the circumference of a circle to its diameter

Defining formula

{\displaystyle{\displaystyle\pi}}

C3.S12.E1.m2abdec

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principal branch of logarithm function

Defining formula

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

C4.S2.E2.m2addec

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Defining formula

{\displaystyle{\displaystyle n}}

C27.S1.XMD4.m1fdec

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Defining formula

{\displaystyle{\displaystyle x}}

C27.S1.XMD6.m1fdec

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Sitelinks

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