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