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