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