1 / | | 1 | --------- dx | 2 | 4*x + 70 | / 0
Integral(1/(4*x^2 + 70), (x, 0, 1))
/ | | 1 | --------- dx | 2 | 4*x + 70 | /
1 1 --------- = ---------------------- 2 / 2 \ 4*x + 70 |/ ____ \ | ||-\/ 70 | | 70*||--------*x| + 1| \\ 35 / /
/ | | 1 | --------- dx | 2 = | 4*x + 70 | /
/ | | 1 | ----------------- dx | 2 | / ____ \ | |-\/ 70 | | |--------*x| + 1 | \ 35 / | / ----------------------- 70
/ | | 1 | ----------------- dx | 2 | / ____ \ | |-\/ 70 | | |--------*x| + 1 | \ 35 / | / ----------------------- 70
____ -x*\/ 70 v = ---------- 35
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 70 70
/ | | 1 | ----------------- dx | 2 | / ____ \ | |-\/ 70 | | |--------*x| + 1 / ____\ | \ 35 / ____ |x*\/ 70 | | \/ 70 *atan|--------| / \ 35 / ----------------------- = --------------------- 70 140
/ ____\ ____ |x*\/ 70 | \/ 70 *atan|--------| \ 35 / C + --------------------- 140
/ ____\ / ____ |x*\/ 70 | | \/ 70 *atan|--------| | 1 \ 35 / | --------- dx = C + --------------------- | 2 140 | 4*x + 70 | /
/ ____\ ____ |\/ 70 | \/ 70 *atan|------| \ 35 / ------------------- 140
=
/ ____\ ____ |\/ 70 | \/ 70 *atan|------| \ 35 / ------------------- 140
sqrt(70)*atan(sqrt(70)/35)/140
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.