5 / | | 1 | --------------------- dx | / 2\ ____ 2 | \25 + x /*\/ 25 + x | / 0
Integral(1/((25 + x^2)*sqrt(25) + x^2), (x, 0, 5))
/ | | 1 | --------------------- dx | / 2\ ____ 2 | \25 + x /*\/ 25 + x | /
1 1 --------------------- = ----------------------- / 2\ ____ 2 / 2 \ \25 + x /*\/ 25 + x |/ ____ \ | ||-\/ 30 | | 125*||--------*x| + 1| \\ 25 / /
/ | | 1 | --------------------- dx | / 2\ ____ 2 = | \25 + x /*\/ 25 + x | /
/ | | 1 | ----------------- dx | 2 | / ____ \ | |-\/ 30 | | |--------*x| + 1 | \ 25 / | / ----------------------- 125
/ | | 1 | ----------------- dx | 2 | / ____ \ | |-\/ 30 | | |--------*x| + 1 | \ 25 / | / ----------------------- 125
____ -x*\/ 30 v = ---------- 25
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 125 125
/ | | 1 | ----------------- dx | 2 | / ____ \ | |-\/ 30 | | |--------*x| + 1 / ____\ | \ 25 / ____ |x*\/ 30 | | \/ 30 *atan|--------| / \ 25 / ----------------------- = --------------------- 125 150
/ ____\ ____ |x*\/ 30 | \/ 30 *atan|--------| \ 25 / C + --------------------- 150
/ ____\ / ____ |x*\/ 30 | | \/ 30 *atan|--------| | 1 \ 25 / | --------------------- dx = C + --------------------- | / 2\ ____ 2 150 | \25 + x /*\/ 25 + x | /
/ ____\ ____ |\/ 30 | \/ 30 *atan|------| \ 5 / ------------------- 150
=
/ ____\ ____ |\/ 30 | \/ 30 *atan|------| \ 5 / ------------------- 150
sqrt(30)*atan(sqrt(30)/5)/150
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.