1 / | | 67*x - 148 | ------------ dx | 2 | x + 4*x + 6 | / 0
Integral((67*x - 148)/(x^2 + 4*x + 6), (x, 0, 1))
/ | | 67*x - 148 | ------------ dx | 2 | x + 4*x + 6 | /
2*x + 4 67*------------ /-282 \ 2 |-----| 67*x - 148 x + 4*x + 6 \ 2 / ------------ = --------------- + ------------------------ 2 2 2 x + 4*x + 6 / ___ \ |-\/ 2 ___| |-------*x - \/ 2 | + 1 \ 2 /
/ | | 67*x - 148 | ------------ dx | 2 = | x + 4*x + 6 | /
/ | | 2*x + 4 67* | ------------ dx | 2 / | x + 4*x + 6 | | | 1 / - 141* | ------------------------ dx + --------------------- | 2 2 | / ___ \ | |-\/ 2 ___| | |-------*x - \/ 2 | + 1 | \ 2 / | /
/ | | 2*x + 4 67* | ------------ dx | 2 | x + 4*x + 6 | / --------------------- 2
2 u = x + 4*x
/ | | 1 67* | ----- du | 6 + u | / 67*log(6 + u) -------------- = ------------- 2 2
/ | | 2*x + 4 67* | ------------ dx | 2 | x + 4*x + 6 | / 2 \ / 67*log\6 + x + 4*x/ --------------------- = -------------------- 2 2
/ | | 1 -141* | ------------------------ dx | 2 | / ___ \ | |-\/ 2 ___| | |-------*x - \/ 2 | + 1 | \ 2 / | /
___ ___ x*\/ 2 v = - \/ 2 - ------- 2
/ | | 1 -141* | ------ dv = -141*atan(v) | 2 | 1 + v | /
/ | / ___\ | 1 ___ | ___ x*\/ 2 | -141* | ------------------------ dx = -141*\/ 2 *atan|\/ 2 + -------| | 2 \ 2 / | / ___ \ | |-\/ 2 ___| | |-------*x - \/ 2 | + 1 | \ 2 / | /
/ 2 \ / ___\ 67*log\6 + x + 4*x/ ___ | ___ x*\/ 2 | C + -------------------- - 141*\/ 2 *atan|\/ 2 + -------| 2 \ 2 /
/ | / 2 \ / ___ \ | 67*x - 148 67*log\6 + x + 4*x/ ___ |\/ 2 *(2 + x)| | ------------ dx = C + -------------------- - 141*\/ 2 *atan|-------------| | 2 2 \ 2 / | x + 4*x + 6 | /
/ ___\ 67*log(6) 67*log(11) ___ |3*\/ 2 | ___ / ___\ - --------- + ---------- - 141*\/ 2 *atan|-------| + 141*\/ 2 *atan\\/ 2 / 2 2 \ 2 /
=
/ ___\ 67*log(6) 67*log(11) ___ |3*\/ 2 | ___ / ___\ - --------- + ---------- - 141*\/ 2 *atan|-------| + 141*\/ 2 *atan\\/ 2 / 2 2 \ 2 /
-67*log(6)/2 + 67*log(11)/2 - 141*sqrt(2)*atan(3*sqrt(2)/2) + 141*sqrt(2)*atan(sqrt(2))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.