1 / | | 3*x - 4 | ------------ dx | 2 | x - 2*x + 5 | / 0
Integral((3*x - 4)/(x^2 - 2*x + 5), (x, 0, 1))
/ | | 3*x - 4 | ------------ dx | 2 | x - 2*x + 5 | /
2*x - 2 3*------------ /-1 \ 2 |---| 3*x - 4 x - 2*x + 5 \ 4 / ------------ = -------------- + -------------- 2 2 2 x - 2*x + 5 / x 1\ |- - + -| + 1 \ 2 2/
/ | | 3*x - 4 | ------------ dx | 2 = | x - 2*x + 5 | /
/ | | 1 / | -------------- dx | | 2 | 2*x - 2 | / x 1\ 3* | ------------ dx | |- - + -| + 1 | 2 | \ 2 2/ | x - 2*x + 5 | | / / - -------------------- + -------------------- 4 2
/ | | 2*x - 2 3* | ------------ dx | 2 | x - 2*x + 5 | / -------------------- 2
2 u = x - 2*x
/ | | 1 3* | ----- du | 5 + u | / 3*log(5 + u) ------------- = ------------ 2 2
/ | | 2*x - 2 3* | ------------ dx | 2 | x - 2*x + 5 | / 2 \ / 3*log\5 + x - 2*x/ -------------------- = ------------------- 2 2
/ | | 1 - | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 2 2/ | / ---------------------- 4
1 x v = - - - 2 2
/ | | 1 - | ------ dv | 2 | 1 + v | / -atan(v) -------------- = --------- 4 4
/ | | 1 - | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 2 2/ / 1 x\ | -atan|- - + -| / \ 2 2/ ---------------------- = --------------- 4 2
/ 1 x\ atan|- - + -| / 2 \ \ 2 2/ 3*log\5 + x - 2*x/ C - ------------- + ------------------- 2 2
/ / 1 x\ | atan|- - + -| / 2 \ | 3*x - 4 \ 2 2/ 3*log\5 + x - 2*x/ | ------------ dx = C - ------------- + ------------------- | 2 2 2 | x - 2*x + 5 | /
3*log(5) atan(1/2) 3*log(4) - -------- - --------- + -------- 2 2 2
=
3*log(5) atan(1/2) 3*log(4) - -------- - --------- + -------- 2 2 2
-3*log(5)/2 - atan(1/2)/2 + 3*log(4)/2
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.