5 / | | x | ------ dx | 2 | 3 + x | / 1
Integral(x/(3 + x^2), (x, 1, 5))
/ | | x | ------ dx | 2 | 3 + x | /
/ 2*x \ |------------| /0\ | 2 | |-| x \x + 0*x + 3/ \3/ ------ = -------------- + ---------------- 2 2 2 3 + x / ___ \ |-\/ 3 | |-------*x| + 1 \ 3 /
/ | | x | ------ dx | 2 = | 3 + x | /
/ | | 2*x | ------------ dx | 2 | x + 0*x + 3 | / ------------------ 2
/ | | 2*x | ------------ dx | 2 | x + 0*x + 3 | / ------------------ 2
2 u = x
/ | | 1 | ----- du | 3 + u | / log(3 + u) ----------- = ---------- 2 2
/ | | 2*x | ------------ dx | 2 | x + 0*x + 3 | / 2\ / log\3 + x / ------------------ = ----------- 2 2
0
___ -x*\/ 3 v = --------- 3
True
True
/ 2\ log\3 + x / C + ----------- 2
/ | / 2\ | x log\3 + x / | ------ dx = C + ----------- | 2 2 | 3 + x | /
log(28) log(4) ------- - ------ 2 2
=
log(28) log(4) ------- - ------ 2 2
log(28)/2 - log(4)/2
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.