1 / | | 1 | -------- dx | 2 | 4*x + 5 | / 0
Integral(1/(4*x^2 + 5), (x, 0, 1))
/ | | 1 | -------- dx | 2 | 4*x + 5 | /
1 1 -------- = --------------------- 2 / 2 \ 4*x + 5 |/ ___ \ | ||-2*\/ 5 | | 5*||--------*x| + 1| \\ 5 / /
/ | | 1 | -------- dx | 2 = | 4*x + 5 | /
/ | | 1 | ----------------- dx | 2 | / ___ \ | |-2*\/ 5 | | |--------*x| + 1 | \ 5 / | / ----------------------- 5
/ | | 1 | ----------------- dx | 2 | / ___ \ | |-2*\/ 5 | | |--------*x| + 1 | \ 5 / | / ----------------------- 5
___ -2*x*\/ 5 v = ---------- 5
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 5 5
/ | | 1 | ----------------- dx | 2 | / ___ \ | |-2*\/ 5 | | |--------*x| + 1 / ___\ | \ 5 / ___ |2*x*\/ 5 | | \/ 5 *atan|---------| / \ 5 / ----------------------- = --------------------- 5 10
/ ___\ ___ |2*x*\/ 5 | \/ 5 *atan|---------| \ 5 / C + --------------------- 10
/ ___\ / ___ |2*x*\/ 5 | | \/ 5 *atan|---------| | 1 \ 5 / | -------- dx = C + --------------------- | 2 10 | 4*x + 5 | /
/ ___\ ___ |2*\/ 5 | \/ 5 *atan|-------| \ 5 / ------------------- 10
=
/ ___\ ___ |2*\/ 5 | \/ 5 *atan|-------| \ 5 / ------------------- 10
sqrt(5)*atan(2*sqrt(5)/5)/10
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.