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