1 / | | 13*x 2 | ---- + - | 3 3 | ------------ dx | 2 | x + 2*x + 5 | / 0
Integral((13*x/3 + 2/3)/(x^2 + 2*x + 5), (x, 0, 1))
/ | | 13*x 2 | ---- + - | 3 3 | ------------ dx | 2 | x + 2*x + 5 | /
2*x + 2 13*x 2 13*------------ /-11 \ ---- + - 2 |----| 3 3 x + 2*x + 5 \3*4 / ------------ = --------------- + -------------- 2 6 2 x + 2*x + 5 / x 1\ |- - - -| + 1 \ 2 2/
/ | | 13*x 2 | ---- + - | 3 3 | ------------ dx = | 2 | x + 2*x + 5 | /
/ | | 1 / 11* | -------------- dx | | 2 | 2*x + 2 | / x 1\ 13* | ------------ dx | |- - - -| + 1 | 2 | \ 2 2/ | x + 2*x + 5 | | / / - ----------------------- + --------------------- 12 6
/ | | 2*x + 2 13* | ------------ dx | 2 | x + 2*x + 5 | / --------------------- 6
2 u = x + 2*x
/ | | 1 13* | ----- du | 5 + u | / 13*log(5 + u) -------------- = ------------- 6 6
/ | | 2*x + 2 13* | ------------ dx | 2 | x + 2*x + 5 | / 2 \ / 13*log\5 + x + 2*x/ --------------------- = -------------------- 6 6
/ | | 1 -11* | -------------- dx | 2 | / x 1\ | |- - - -| + 1 | \ 2 2/ | / ------------------------ 12
1 x v = - - - - 2 2
/ | | 1 -11* | ------ dv | 2 | 1 + v | / -11*atan(v) ---------------- = ----------- 12 12
/ | | 1 -11* | -------------- dx | 2 | / x 1\ | |- - - -| + 1 | \ 2 2/ /1 x\ | -11*atan|- + -| / \2 2/ ------------------------ = --------------- 12 6
/1 x\ 11*atan|- + -| / 2 \ \2 2/ 13*log\5 + x + 2*x/ C - -------------- + -------------------- 6 6
/ | | 13*x 2 /1 x\ | ---- + - 11*atan|- + -| / 2 \ | 3 3 \2 2/ 13*log\5 + x + 2*x/ | ------------ dx = C - -------------- + -------------------- | 2 6 6 | x + 2*x + 5 | /
13*log(5) 11*pi 11*atan(1/2) 13*log(8) - --------- - ----- + ------------ + --------- 6 24 6 6
=
13*log(5) 11*pi 11*atan(1/2) 13*log(8) - --------- - ----- + ------------ + --------- 6 24 6 6
-13*log(5)/6 - 11*pi/24 + 11*atan(1/2)/6 + 13*log(8)/6
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.