1 / | | 2*x - 1 | ------------- dx | 2 | x + 8*x + 17 | / 0
Integral((2*x - 1)/(x^2 + 8*x + 17), (x, 0, 1))
/ | | 2*x - 1 | ------------- dx | 2 | x + 8*x + 17 | /
/-9 \ |---| 2*x - 1 2*x + 8 \ 1 / ------------- = ------------- + ------------- 2 2 2 x + 8*x + 17 x + 8*x + 17 (-x - 4) + 1
/ | | 2*x - 1 | ------------- dx | 2 = | x + 8*x + 17 | /
/ / | | | 1 | 2*x + 8 - 9* | ------------- dx + | ------------- dx | 2 | 2 | (-x - 4) + 1 | x + 8*x + 17 | | / /
/ | | 2*x + 8 | ------------- dx | 2 | x + 8*x + 17 | /
2 u = x + 8*x
/ | | 1 | ------ du = log(17 + u) | 17 + u | /
/ | | 2*x + 8 / 2 \ | ------------- dx = log\17 + x + 8*x/ | 2 | x + 8*x + 17 | /
/ | | 1 -9* | ------------- dx | 2 | (-x - 4) + 1 | /
v = -4 - x
/ | | 1 -9* | ------ dv = -9*atan(v) | 2 | 1 + v | /
/ | | 1 -9* | ------------- dx = -9*atan(4 + x) | 2 | (-x - 4) + 1 | /
/ 2 \ C - 9*atan(4 + x) + log\17 + x + 8*x/
/ | | 2*x - 1 / 2 \ | ------------- dx = C - 9*atan(4 + x) + log\17 + x + 8*x/ | 2 | x + 8*x + 17 | /
-log(17) - 9*atan(5) + 9*atan(4) + log(26)
=
-log(17) - 9*atan(5) + 9*atan(4) + log(26)
-log(17) - 9*atan(5) + 9*atan(4) + log(26)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.