1 / | | 5 | ------ dx | 2 | 4 + x | / 0
Integral(5/(4 + x^2), (x, 0, 1))
/ | | 5 | ------ dx | 2 | 4 + x | /
/5\ |-| 5 \4/ ------ = ---------- 2 2 4 + x /-x \ |---| + 1 \ 2 /
/ | | 5 | ------ dx | 2 = | 4 + x | /
/ | | 1 5* | ---------- dx | 2 | /-x \ | |---| + 1 | \ 2 / | / ------------------ 4
/ | | 1 5* | ---------- dx | 2 | /-x \ | |---| + 1 | \ 2 / | / ------------------ 4
-x v = --- 2
/ | | 1 5* | ------ dv | 2 | 1 + v | / 5*atan(v) -------------- = --------- 4 4
/ | | 1 5* | ---------- dx | 2 | /-x \ | |---| + 1 | \ 2 / /x\ | 5*atan|-| / \2/ ------------------ = --------- 4 2
/x\ 5*atan|-| \2/ C + --------- 2
/ /x\ | 5*atan|-| | 5 \2/ | ------ dx = C + --------- | 2 2 | 4 + x | /
5*atan(1/2) ----------- 2
=
5*atan(1/2) ----------- 2
5*atan(1/2)/2
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.