1 / | | 4*x - 5 | ------------- dx | 2 | x + 6*x + 13 | / 0
Integral((4*x - 5)/(x^2 + 6*x + 13), (x, 0, 1))
/ | | 4*x - 5 | ------------- dx | 2 | x + 6*x + 13 | /
/-17 \ |----| 4*x - 5 2*x + 6 \ 4 / ------------- = 2*------------- + -------------- 2 2 2 x + 6*x + 13 x + 6*x + 13 / x 3\ |- - - -| + 1 \ 2 2/
/ | | 4*x - 5 | ------------- dx | 2 = | x + 6*x + 13 | /
/ | | 1 17* | -------------- dx | 2 | / x 3\ | |- - - -| + 1 / | \ 2 2/ | | | 2*x + 6 / 2* | ------------- dx - ----------------------- | 2 4 | x + 6*x + 13 | /
/ | | 2*x + 6 2* | ------------- dx | 2 | x + 6*x + 13 | /
2 u = x + 6*x
/ | | 1 2* | ------ du = 2*log(13 + u) | 13 + u | /
/ | | 2*x + 6 / 2 \ 2* | ------------- dx = 2*log\13 + x + 6*x/ | 2 | x + 6*x + 13 | /
/ | | 1 -17* | -------------- dx | 2 | / x 3\ | |- - - -| + 1 | \ 2 2/ | / ------------------------ 4
3 x v = - - - - 2 2
/ | | 1 -17* | ------ dv | 2 | 1 + v | / -17*atan(v) ---------------- = ----------- 4 4
/ | | 1 -17* | -------------- dx | 2 | / x 3\ | |- - - -| + 1 | \ 2 2/ /3 x\ | -17*atan|- + -| / \2 2/ ------------------------ = --------------- 4 2
/3 x\ 17*atan|- + -| / 2 \ \2 2/ C + 2*log\13 + x + 6*x/ - -------------- 2
/ /3 x\ | 17*atan|- + -| | 4*x - 5 / 2 \ \2 2/ | ------------- dx = C + 2*log\13 + x + 6*x/ - -------------- | 2 2 | x + 6*x + 13 | /
17*atan(2) 17*atan(3/2) -2*log(13) + 2*log(20) - ---------- + ------------ 2 2
=
17*atan(2) 17*atan(3/2) -2*log(13) + 2*log(20) - ---------- + ------------ 2 2
-2*log(13) + 2*log(20) - 17*atan(2)/2 + 17*atan(3/2)/2
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.