1 / | | 5 | ------ dx | 2 | x + 3 | / 0
Integral(5/(x^2 + 3), (x, 0, 1))
/ | | 5 | ------ dx | 2 | x + 3 | /
/5\ |-| 5 \3/ ------ = ---------------- 2 2 x + 3 / ___ \ |-\/ 3 | |-------*x| + 1 \ 3 /
/ | | 5 | ------ dx | 2 = | x + 3 | /
/ | | 1 5* | ---------------- dx | 2 | / ___ \ | |-\/ 3 | | |-------*x| + 1 | \ 3 / | / ------------------------ 3
/ | | 1 5* | ---------------- dx | 2 | / ___ \ | |-\/ 3 | | |-------*x| + 1 | \ 3 / | / ------------------------ 3
___ -x*\/ 3 v = --------- 3
/ | | 1 5* | ------ dv | 2 | 1 + v | / 5*atan(v) -------------- = --------- 3 3
/ | | 1 5* | ---------------- dx | 2 | / ___ \ | |-\/ 3 | | |-------*x| + 1 / ___\ | \ 3 / ___ |x*\/ 3 | | 5*\/ 3 *atan|-------| / \ 3 / ------------------------ = --------------------- 3 3
/ ___\ ___ |x*\/ 3 | 5*\/ 3 *atan|-------| \ 3 / C + --------------------- 3
/ ___\ / ___ |x*\/ 3 | | 5*\/ 3 *atan|-------| | 5 \ 3 / | ------ dx = C + --------------------- | 2 3 | x + 3 | /
___ 5*pi*\/ 3 ---------- 18
=
___ 5*pi*\/ 3 ---------- 18
5*pi*sqrt(3)/18
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.