1 / | | 1 | -------- dx | 2 | 9*x + 3 | / 0
Integral(1/(9*x^2 + 3), (x, 0, 1))
/ | | 1 | -------- dx | 2 | 9*x + 3 | /
1 1 -------- = ------------------- 2 / 2 \ 9*x + 3 |/ ___ \ | 3*\\-\/ 3 *x/ + 1/
/ | | 1 | -------- dx | 2 = | 9*x + 3 | /
/ | | 1 | --------------- dx | 2 | / ___ \ | \-\/ 3 *x/ + 1 | / --------------------- 3
/ | | 1 | --------------- dx | 2 | / ___ \ | \-\/ 3 *x/ + 1 | / --------------------- 3
___ v = -x*\/ 3
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 3 3
/ | | 1 | --------------- dx | 2 | / ___ \ | \-\/ 3 *x/ + 1 | ___ / ___\ / \/ 3 *atan\x*\/ 3 / --------------------- = ------------------- 3 9
___ / ___\ \/ 3 *atan\x*\/ 3 / C + ------------------- 9
/ | ___ / ___\ | 1 \/ 3 *atan\x*\/ 3 / | -------- dx = C + ------------------- | 2 9 | 9*x + 3 | /
___ pi*\/ 3 -------- 27
=
___ pi*\/ 3 -------- 27
pi*sqrt(3)/27
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.