Gamma(1/4)*lowergamma(1/4, 1)
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16*Gamma(5/4)
$$\frac{\Gamma\left(\frac{1}{4}\right) \gamma\left(\frac{1}{4}, 1\right)}{16 \Gamma\left(\frac{5}{4}\right)}$$
Gamma(1/4)*lowergamma(1/4, 1)
-----------------------------
16*Gamma(5/4)
$$\frac{\Gamma\left(\frac{1}{4}\right) \gamma\left(\frac{1}{4}, 1\right)}{16 \Gamma\left(\frac{5}{4}\right)}$$
Ответ (Неопределённый)
[src] /
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| 4 / 4\
| -x Gamma(1/4)*lowergamma\1/4, x /
| e dx = C + ------------------------------
| 16*Gamma(5/4)
/
$$\int e^{- x^{4}}\, dx = C + \frac{\Gamma\left(\frac{1}{4}\right) \gamma\left(\frac{1}{4}, x^{4}\right)}{16 \Gamma\left(\frac{5}{4}\right)}$$