DLMF:6.8.E2 (Q2271)

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DLMF:6.8.E2
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    x x + 1 < x e x E 1 ( x ) < x + 1 x + 2 , 𝑥 𝑥 1 𝑥 superscript 𝑒 𝑥 exponential-integral 𝑥 𝑥 1 𝑥 2 {\displaystyle{\displaystyle\frac{x}{x+1}<xe^{x}E_{1}\left(x\right)<\frac{x+1}% {x+2},}}
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    e {\displaystyle{\displaystyle\mathrm{e}}}
    C4.S2.E11.m2aadec
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    E 1 ( z ) exponential-integral 𝑧 {\displaystyle{\displaystyle E_{1}\left(\NVar{z}\right)}}
    C6.S2.E1.m2aadec
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    x 𝑥 {\displaystyle{\displaystyle x}}
    C6.S1.XMD1.m1adec
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