1 / | | 2*x - 5 | ------- dx | 2 | x + 16 | / 0
Integral((2*x - 5)/(x^2 + 16), (x, 0, 1))
/ | | 2*x - 5 | ------- dx | 2 | x + 16 | /
/-5 \ |---| 2*x - 5 2*x \ 16/ ------- = ------------- + ---------- 2 2 2 x + 16 x + 0*x + 16 /-x \ |---| + 1 \ 4 /
/ | | 2*x - 5 | ------- dx | 2 = | x + 16 | /
/ | | 1 5* | ---------- dx | 2 | /-x \ | |---| + 1 | \ 4 / / | | / | 2*x - ------------------ + | ------------- dx 16 | 2 | x + 0*x + 16 | /
/ | | 2*x | ------------- dx | 2 | x + 0*x + 16 | /
2 u = x
/ | | 1 | ------ du = log(16 + u) | 16 + u | /
/ | | 2*x / 2\ | ------------- dx = log\16 + x / | 2 | x + 0*x + 16 | /
/ | | 1 -5* | ---------- dx | 2 | /-x \ | |---| + 1 | \ 4 / | / ------------------- 16
-x v = --- 4
/ | | 1 -5* | ------ dv | 2 | 1 + v | / -5*atan(v) --------------- = ---------- 16 16
/ | | 1 -5* | ---------- dx | 2 | /-x \ | |---| + 1 | \ 4 / /x\ | -5*atan|-| / \4/ ------------------- = ---------- 16 4
/x\ 5*atan|-| \4/ / 2\ C - --------- + log\16 + x / 4
/ /x\ | 5*atan|-| | 2*x - 5 \4/ / 2\ | ------- dx = C - --------- + log\16 + x / | 2 4 | x + 16 | /
5*atan(1/4) -log(16) - ----------- + log(17) 4
=
5*atan(1/4) -log(16) - ----------- + log(17) 4
-log(16) - 5*atan(1/4)/4 + log(17)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.