1 / | | 1 | -------- dx | 2 | 8*x + 9 | / 0
Integral(1/(8*x^2 + 9), (x, 0, 1))
/ | | 1 | -------- dx | 2 | 8*x + 9 | /
1 1 -------- = --------------------- 2 / 2 \ 8*x + 9 |/ ___ \ | ||-2*\/ 2 | | 9*||--------*x| + 1| \\ 3 / /
/ | | 1 | -------- dx | 2 = | 8*x + 9 | /
/ | | 1 | ----------------- dx | 2 | / ___ \ | |-2*\/ 2 | | |--------*x| + 1 | \ 3 / | / ----------------------- 9
/ | | 1 | ----------------- dx | 2 | / ___ \ | |-2*\/ 2 | | |--------*x| + 1 | \ 3 / | / ----------------------- 9
___ -2*x*\/ 2 v = ---------- 3
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 9 9
/ | | 1 | ----------------- dx | 2 | / ___ \ | |-2*\/ 2 | | |--------*x| + 1 / ___\ | \ 3 / ___ |2*x*\/ 2 | | \/ 2 *atan|---------| / \ 3 / ----------------------- = --------------------- 9 12
/ ___\ ___ |2*x*\/ 2 | \/ 2 *atan|---------| \ 3 / C + --------------------- 12
/ ___\ / ___ |2*x*\/ 2 | | \/ 2 *atan|---------| | 1 \ 3 / | -------- dx = C + --------------------- | 2 12 | 8*x + 9 | /
/ ___\ ___ |2*\/ 2 | \/ 2 *atan|-------| \ 3 / ------------------- 12
=
/ ___\ ___ |2*\/ 2 | \/ 2 *atan|-------| \ 3 / ------------------- 12
sqrt(2)*atan(2*sqrt(2)/3)/12
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.