[대학교이상] 이거 증몡좀 부탁함 ㅋㅋ

[증명좀(223.38)]

\displaystyle \int_{-\infty}^0 \mathrm{Ei}^3(x) \,\mathrm{d}x = -3\,\mathrm{Li}_2\biggl(\frac14\biggr) -6\ln^22 \approx -3.6856760008∫−∞0Ei3(x)dx=−3Li2(41)−6ln22≈−3.6856760008

[익명(223.38)]

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