1 / | | x - 1/3 | ------------ dx | 2 | x - 2*x + 5 | / 0
Integral((x - 1/3)/(x^2 - 2*x + 5), (x, 0, 1))
/ | | x - 1/3 | ------------ dx | 2 | x - 2*x + 5 | /
/ 2*x - 2 \ |------------| / 2 \ | 2 | |---| x - 1/3 \x - 2*x + 5/ \3*4/ ------------ = -------------- + -------------- 2 2 2 x - 2*x + 5 / x 1\ |- - + -| + 1 \ 2 2/
/ | | x - 1/3 | ------------ dx | 2 = | x - 2*x + 5 | /
/ | / | 1 | | -------------- dx | 2*x - 2 | 2 | ------------ dx | / x 1\ | 2 | |- - + -| + 1 | x - 2*x + 5 | \ 2 2/ | | / / ------------------ + -------------------- 2 6
/ | | 2*x - 2 | ------------ dx | 2 | x - 2*x + 5 | / ------------------ 2
2 u = x - 2*x
/ | | 1 | ----- du | 5 + u | / log(5 + u) ----------- = ---------- 2 2
/ | | 2*x - 2 | ------------ dx | 2 | x - 2*x + 5 | / 2 \ / log\5 + x - 2*x/ ------------------ = ----------------- 2 2
/ | | 1 | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 2 2/ | / -------------------- 6
1 x v = - - - 2 2
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 6 6
/ | | 1 | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 2 2/ / 1 x\ | atan|- - + -| / \ 2 2/ -------------------- = ------------- 6 3
/ 1 x\ / 2 \ atan|- - + -| log\5 + x - 2*x/ \ 2 2/ C + ----------------- + ------------- 2 3
/ / 1 x\ | / 2 \ atan|- - + -| | x - 1/3 log\5 + x - 2*x/ \ 2 2/ | ------------ dx = C + ----------------- + ------------- | 2 2 3 | x - 2*x + 5 | /
log(4) log(5) atan(1/2) ------ - ------ + --------- 2 2 3
=
log(4) log(5) atan(1/2) ------ - ------ + --------- 2 2 3
log(4)/2 - log(5)/2 + atan(1/2)/3
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.