1 / | | 1 - 8*x | ------------- dx | 2 | x - 6*x + 25 | / 0
Integral((1 - 8*x)/(x^2 - 6*x + 25), (x, 0, 1))
/ | | 1 - 8*x | ------------- dx | 2 | x - 6*x + 25 | /
/-23 \ |----| 1 - 8*x 2*x - 6 \ 16 / ------------- = - 4*------------- + -------------- 2 2 2 x - 6*x + 25 x - 6*x + 25 / x 3\ |- - + -| + 1 \ 4 4/
/ | | 1 - 8*x | ------------- dx | 2 = | x - 6*x + 25 | /
/ | | 1 23* | -------------- dx | 2 | / x 3\ | |- - + -| + 1 / | \ 4 4/ | | | 2*x - 6 / - 4* | ------------- dx - ----------------------- | 2 16 | x - 6*x + 25 | /
/ | | 2*x - 6 -4* | ------------- dx | 2 | x - 6*x + 25 | /
2 u = x - 6*x
/ | | 1 -4* | ------ du = -4*log(25 + u) | 25 + u | /
/ | | 2*x - 6 / 2 \ -4* | ------------- dx = -4*log\25 + x - 6*x/ | 2 | x - 6*x + 25 | /
/ | | 1 -23* | -------------- dx | 2 | / x 3\ | |- - + -| + 1 | \ 4 4/ | / ------------------------ 16
3 x v = - - - 4 4
/ | | 1 -23* | ------ dv | 2 | 1 + v | / -23*atan(v) ---------------- = ----------- 16 16
/ | | 1 -23* | -------------- dx | 2 | / x 3\ | |- - + -| + 1 | \ 4 4/ / 3 x\ | -23*atan|- - + -| / \ 4 4/ ------------------------ = ----------------- 16 4
/ 3 x\ 23*atan|- - + -| / 2 \ \ 4 4/ C - 4*log\25 + x - 6*x/ - ---------------- 4
/ / 3 x\ | 23*atan|- - + -| | 1 - 8*x / 2 \ \ 4 4/ | ------------- dx = C - 4*log\25 + x - 6*x/ - ---------------- | 2 4 | x - 6*x + 25 | /
23*atan(3/4) 23*atan(1/2) -4*log(20) + 4*log(25) - ------------ + ------------ 4 4
=
23*atan(3/4) 23*atan(1/2) -4*log(20) + 4*log(25) - ------------ + ------------ 4 4
-4*log(20) + 4*log(25) - 23*atan(3/4)/4 + 23*atan(1/2)/4
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.