DLMF:6.7.E8 (Q2261)

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Language	Label	Description	Also known as
English	DLMF:6.7.E8	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\int_{0}^{1}\frac{e^{-at}(1-\cos\left(bt\right))}{% t}\mathrm{d}t=\Re\mathrm{Ein}\left(a+ib\right)-\mathrm{Ein}\left(a\right),}}

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DLMF:6.7.E8

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{\displaystyle{\displaystyle a,b\in\mathbb{R}}}

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complementary exponential integral

Defining formula

{\displaystyle{\displaystyle\mathrm{Ein}\left(\NVar{z}\right)}}

C6.S2.E3.m2aadec

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cosine function

Defining formula

{\displaystyle{\displaystyle\cos\NVar{z}}}

C4.S14.E2.m2adec

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Defining formula

{\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}

C1.S4.SS4.m1agdec

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Defining formula

{\displaystyle{\displaystyle\in}}

introduction.Sx4.p1.t1.r10.m2acdec

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base of natural logarithm

Defining formula

{\displaystyle{\displaystyle\mathrm{e}}}

C4.S2.E11.m2agdec

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Defining formula

{\displaystyle{\displaystyle\mathrm{i}}}

C1.S9.E1.m2afdec

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Defining formula

{\displaystyle{\displaystyle\int}}

C1.S4.SS4.m3agdec

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Sitelinks

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