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