1 / | | 3 + x | ------------- dx | 2 | x - 6*x + 10 | / 0
Integral((3 + x)/(x^2 - 6*x + 10), (x, 0, 1))
/ | | 3 + x | ------------- dx | 2 | x - 6*x + 10 | /
/ 2*x - 6 \ |-------------| /6\ | 2 | |-| 3 + x \x - 6*x + 10/ \1/ ------------- = --------------- + ------------- 2 2 2 x - 6*x + 10 (-x + 3) + 1
/ | | 3 + x | ------------- dx | 2 = | x - 6*x + 10 | /
/ | | 2*x - 6 | ------------- dx | 2 | x - 6*x + 10 / | | / | 1 ------------------- + 6* | ------------- dx 2 | 2 | (-x + 3) + 1 | /
/ | | 2*x - 6 | ------------- dx | 2 | x - 6*x + 10 | / ------------------- 2
2 u = x - 6*x
/ | | 1 | ------ du | 10 + u | / log(10 + u) ------------ = ----------- 2 2
/ | | 2*x - 6 | ------------- dx | 2 | x - 6*x + 10 | / 2 \ / log\10 + x - 6*x/ ------------------- = ------------------ 2 2
/ | | 1 6* | ------------- dx | 2 | (-x + 3) + 1 | /
v = 3 - x
/ | | 1 6* | ------ dv = 6*atan(v) | 2 | 1 + v | /
/ | | 1 6* | ------------- dx = 6*atan(-3 + x) | 2 | (-x + 3) + 1 | /
/ 2 \ log\10 + x - 6*x/ C + ------------------ + 6*atan(-3 + x) 2
/ | / 2 \ | 3 + x log\10 + x - 6*x/ | ------------- dx = C + ------------------ + 6*atan(-3 + x) | 2 2 | x - 6*x + 10 | /
log(5) log(10) ------ - 6*atan(2) + 6*atan(3) - ------- 2 2
=
log(5) log(10) ------ - 6*atan(2) + 6*atan(3) - ------- 2 2
log(5)/2 - 6*atan(2) + 6*atan(3) - log(10)/2
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.