oo / | | x | ------ dx | 3 | 1 + x | / 1
Integral(x/(1 + x^3), (x, 1, oo))
/ ___ \ / ___ |2*\/ 3 *(-1/2 + x)| | / 2 \ \/ 3 *atan|------------------| | x log(1 + x) log\1 + x - x/ \ 3 / | ------ dx = C - ---------- + --------------- + ------------------------------ | 3 3 6 3 | 1 + x | /
/ -pi*I / pi*I\ pi*I / 5*pi*I\\ | ------ | ----| ---- | ------|| | / pi*I\ 3 | 3 | 3 | 3 || |log\1 - e / e *log\1 - e / e *log\1 - e /| |-------------- - ---------------------- - ----------------------|*Gamma(1/3) \ 3 3 3 / ----------------------------------------------------------------------------- 3*Gamma(4/3)
=
/ -pi*I / pi*I\ pi*I / 5*pi*I\\ | ------ | ----| ---- | ------|| | / pi*I\ 3 | 3 | 3 | 3 || |log\1 - e / e *log\1 - e / e *log\1 - e /| |-------------- - ---------------------- - ----------------------|*Gamma(1/3) \ 3 3 3 / ----------------------------------------------------------------------------- 3*Gamma(4/3)
(log(1 - exp_polar(pi*i))/3 - exp(-pi*i/3)*log(1 - exp_polar(pi*i/3))/3 - exp(pi*i/3)*log(1 - exp_polar(5*pi*i/3))/3)*gamma(1/3)/(3*gamma(4/3))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.