1 / | | 1 | ------------- dx | 3 | x + 8*x + 20 | / 0
Integral(1/(x^3 + 8*x + 20), (x, 0, 1))
/ | / / 2 \\ | 1 | 3 |64 51392*t 3212*t|| | ------------- dx = C + RootSum|12848*t - 24*t - 1, t -> t*log|-- + x - -------- + ------|| | 3 \ \45 45 45 // | x + 8*x + 20 | /
/ / 2 \\ / / 2 \\ | 3 |64 51392*t 3212*t|| | 3 |109 51392*t 3212*t|| - RootSum|12848*t - 24*t - 1, t -> t*log|-- - -------- + ------|| + RootSum|12848*t - 24*t - 1, t -> t*log|--- - -------- + ------|| \ \45 45 45 // \ \ 45 45 45 //
=
/ / 2 \\ / / 2 \\ | 3 |64 51392*t 3212*t|| | 3 |109 51392*t 3212*t|| - RootSum|12848*t - 24*t - 1, t -> t*log|-- - -------- + ------|| + RootSum|12848*t - 24*t - 1, t -> t*log|--- - -------- + ------|| \ \45 45 45 // \ \ 45 45 45 //
-RootSum(12848*_t^3 - 24*_t - 1, Lambda(_t, _t*log(64/45 - 51392*_t^2/45 + 3212*_t/45))) + RootSum(12848*_t^3 - 24*_t - 1, Lambda(_t, _t*log(109/45 - 51392*_t^2/45 + 3212*_t/45)))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.