3 / | | 1 | ---------------- dx | 2 | 2*x - 12*x + 19 | / -oo
Integral(1/(2*x^2 - 12*x + 19), (x, -oo, 3))
/ | | 1 | ---------------- dx | 2 | 2*x - 12*x + 19 | /
1 1 ---------------- = ----------------------------- 2 / 2 \ 2*x - 12*x + 19 |/ ___ ___\ | 1*\\-\/ 2 *x + 3*\/ 2 / + 1/
/ | | 1 | ---------------- dx | 2 = | 2*x - 12*x + 19 | /
/ | | 1 | ------------------------- dx | 2 | / ___ ___\ | \-\/ 2 *x + 3*\/ 2 / + 1 | /
/ | | 1 | ------------------------- dx | 2 | / ___ ___\ | \-\/ 2 *x + 3*\/ 2 / + 1 | /
___ ___ v = 3*\/ 2 - x*\/ 2
/ | | 1 | ------ dv = atan(v) | 2 | 1 + v | /
/ | ___ / ___ ___\ | 1 \/ 2 *atan\- 3*\/ 2 + x*\/ 2 / | ------------------------- dx = ------------------------------- | 2 2 | / ___ ___\ | \-\/ 2 *x + 3*\/ 2 / + 1 | /
___ / ___ ___\ \/ 2 *atan\- 3*\/ 2 + x*\/ 2 / C + ------------------------------- 2
/ | ___ / ___ \ | 1 \/ 2 *atan\\/ 2 *(-3 + x)/ | ---------------- dx = C + -------------------------- | 2 2 | 2*x - 12*x + 19 | /
___ pi*\/ 2 -------- 4
=
___ pi*\/ 2 -------- 4
pi*sqrt(2)/4
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.