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