1 / | | x - 12 | ---------- dx | 2 | x - x + 6 | / -oo
Integral((x - 12)/(x^2 - x + 6), (x, -oo, 1))
/ | | x - 12 | ---------- dx | 2 | x - x + 6 | /
/ 2*x - 1 \ |----------| / -23 \ | 2 | |------| x - 12 \x - x + 6/ \2*23/4/ ---------- = ------------ + --------------------------- 2 2 2 x - x + 6 / ____ ____\ |-2*\/ 23 \/ 23 | |---------*x + ------| + 1 \ 23 23 /
/ | | x - 12 | ---------- dx | 2 = | x - x + 6 | /
/ | | 2*x - 1 | ---------- dx | 2 | x - x + 6 / | | / | 1 ---------------- - 2* | --------------------------- dx 2 | 2 | / ____ ____\ | |-2*\/ 23 \/ 23 | | |---------*x + ------| + 1 | \ 23 23 / | /
/ | | 2*x - 1 | ---------- dx | 2 | x - x + 6 | / ---------------- 2
2 u = x - x
/ | | 1 | ----- du | 6 + u | / log(6 + u) ----------- = ---------- 2 2
/ | | 2*x - 1 | ---------- dx | 2 | x - x + 6 | / 2 \ / log\6 + x - x/ ---------------- = --------------- 2 2
/ | | 1 -2* | --------------------------- dx | 2 | / ____ ____\ | |-2*\/ 23 \/ 23 | | |---------*x + ------| + 1 | \ 23 23 / | /
____ ____ \/ 23 2*x*\/ 23 v = ------ - ---------- 23 23
/ | | 1 -2* | ------ dv = -2*atan(v) | 2 | 1 + v | /
/ | / ____ ____\ | 1 ____ | \/ 23 2*x*\/ 23 | -2* | --------------------------- dx = -\/ 23 *atan|- ------ + ----------| | 2 \ 23 23 / | / ____ ____\ | |-2*\/ 23 \/ 23 | | |---------*x + ------| + 1 | \ 23 23 / | /
/ 2 \ / ____ ____\ log\6 + x - x/ ____ | \/ 23 2*x*\/ 23 | C + --------------- - \/ 23 *atan|- ------ + ----------| 2 \ 23 23 /
/ | / 2 \ / ____ \ | x - 12 log\6 + x - x/ ____ |2*\/ 23 *(-1/2 + x)| | ---------- dx = C + --------------- - \/ 23 *atan|-------------------| | 2 2 \ 23 / | x - x + 6 | /
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.