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