1 / | | 2 | ------ dx | 2 | x + 7 | / 0
Integral(2/(x^2 + 7), (x, 0, 1))
/ | | 2 | ------ dx | 2 | x + 7 | /
/2\ |-| 2 \7/ ------ = ---------------- 2 2 x + 7 / ___ \ |-\/ 7 | |-------*x| + 1 \ 7 /
/ | | 2 | ------ dx | 2 = | x + 7 | /
/ | | 1 2* | ---------------- dx | 2 | / ___ \ | |-\/ 7 | | |-------*x| + 1 | \ 7 / | / ------------------------ 7
/ | | 1 2* | ---------------- dx | 2 | / ___ \ | |-\/ 7 | | |-------*x| + 1 | \ 7 / | / ------------------------ 7
___ -x*\/ 7 v = --------- 7
/ | | 1 2* | ------ dv | 2 | 1 + v | / 2*atan(v) -------------- = --------- 7 7
/ | | 1 2* | ---------------- dx | 2 | / ___ \ | |-\/ 7 | | |-------*x| + 1 / ___\ | \ 7 / ___ |x*\/ 7 | | 2*\/ 7 *atan|-------| / \ 7 / ------------------------ = --------------------- 7 7
/ ___\ ___ |x*\/ 7 | 2*\/ 7 *atan|-------| \ 7 / C + --------------------- 7
/ ___\ / ___ |x*\/ 7 | | 2*\/ 7 *atan|-------| | 2 \ 7 / | ------ dx = C + --------------------- | 2 7 | x + 7 | /
/ ___\ ___ |\/ 7 | 2*\/ 7 *atan|-----| \ 7 / ------------------- 7
=
/ ___\ ___ |\/ 7 | 2*\/ 7 *atan|-----| \ 7 / ------------------- 7
2*sqrt(7)*atan(sqrt(7)/7)/7
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.