1 / | | 2*x + 6 | ------------ dx | 2 | x - 2*x + 5 | / 0
Integral((2*x + 6)/(x^2 - 2*x + 5), (x, 0, 1))
/ | | 2*x + 6 | ------------ dx | 2 | x - 2*x + 5 | /
/8\ |-| 2*x + 6 2*x - 2 \4/ ------------ = ------------ + -------------- 2 2 2 x - 2*x + 5 x - 2*x + 5 / x 1\ |- - + -| + 1 \ 2 2/
/ | | 2*x + 6 | ------------ dx | 2 = | x - 2*x + 5 | /
/ / | | | 1 | 2*x - 2 2* | -------------- dx + | ------------ dx | 2 | 2 | / x 1\ | x - 2*x + 5 | |- - + -| + 1 | | \ 2 2/ / | /
/ | | 2*x - 2 | ------------ dx | 2 | x - 2*x + 5 | /
2 u = x - 2*x
/ | | 1 | ----- du = log(5 + u) | 5 + u | /
/ | | 2*x - 2 / 2 \ | ------------ dx = log\5 + x - 2*x/ | 2 | x - 2*x + 5 | /
/ | | 1 2* | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 2 2/ | /
1 x v = - - - 2 2
/ | | 1 2* | ------ dv = 2*atan(v) | 2 | 1 + v | /
/ | | 1 / 1 x\ 2* | -------------- dx = 4*atan|- - + -| | 2 \ 2 2/ | / x 1\ | |- - + -| + 1 | \ 2 2/ | /
/ 1 x\ / 2 \ C + 4*atan|- - + -| + log\5 + x - 2*x/ \ 2 2/
/ | | 2*x + 6 / 1 x\ / 2 \ | ------------ dx = C + 4*atan|- - + -| + log\5 + x - 2*x/ | 2 \ 2 2/ | x - 2*x + 5 | /
-log(5) + 4*atan(1/2) + log(4)
=
-log(5) + 4*atan(1/2) + log(4)
-log(5) + 4*atan(1/2) + log(4)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.