DLMF:8.10.E7 (Q2563)

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DLMF:8.10.E7
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    Statements

    I = 0 x t a - 1 e t d t = Γ ( a ) x a γ * ( a , - x ) , 𝐼 superscript subscript 0 𝑥 superscript 𝑡 𝑎 1 superscript 𝑒 𝑡 𝑡 Euler-Gamma 𝑎 superscript 𝑥 𝑎 incomplete-gamma-star 𝑎 𝑥 {\displaystyle{\displaystyle I=\int_{0}^{x}t^{a-1}e^{t}\mathrm{d}t=\Gamma\left% (a\right)x^{a}\gamma^{*}\left(a,-x\right),}}
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    a > 0 𝑎 0 {\displaystyle{\displaystyle\Re a>0}}
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    Γ ( z ) Euler-Gamma 𝑧 {\displaystyle{\displaystyle\Gamma\left(\NVar{z}\right)}}
    C5.S2.E1.m2adec
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    d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
    C1.S4.SS4.m1adec
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    e {\displaystyle{\displaystyle\mathrm{e}}}
    C4.S2.E11.m2addec
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    γ * ( a , z ) incomplete-gamma-star 𝑎 𝑧 {\displaystyle{\displaystyle\gamma^{*}\left(\NVar{a},\NVar{z}\right)}}
    C8.S2.E6.m2adec
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    {\displaystyle{\displaystyle\int}}
    C1.S4.SS4.m3adec
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    absent {\displaystyle{\displaystyle\Re}}
    C1.S9.E2.m1adec
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    x 𝑥 {\displaystyle{\displaystyle x}}
    C8.S1.XMD1.m1fdec
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    a 𝑎 {\displaystyle{\displaystyle a}}
    C8.S1.XMD3.m1fdec
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    I 𝐼 {\displaystyle{\displaystyle I}}
    C8.S10.XMD4.m1dec
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