0 / | | 3 - 2*x | -------- dx | 2 | 4*x + 9 | / 0
Integral((3 - 2*x)/(4*x^2 + 9), (x, 0, 0))
/ | | 3 - 2*x | -------- dx | 2 | 4*x + 9 | /
/ 4*2*x \ |--------------| /3\ | 2 | |-| 3 - 2*x \4*x + 0*x + 9/ \9/ -------- = - ---------------- + ----------- 2 4 2 4*x + 9 /-2*x\ |----| + 1 \ 3 /
/ | | 3 - 2*x | -------- dx | 2 = | 4*x + 9 | /
/ | / | 1 | | ----------- dx | 4*2*x | 2 | -------------- dx | /-2*x\ | 2 | |----| + 1 | 4*x + 0*x + 9 | \ 3 / | | / / - -------------------- + ----------------- 4 3
/ | | 4*2*x - | -------------- dx | 2 | 4*x + 0*x + 9 | / ---------------------- 4
2 u = 4*x
/ | | 1 - | ----- du | 9 + u | / -log(9 + u) ------------- = ------------ 4 4
/ | | 4*2*x - | -------------- dx | 2 | 4*x + 0*x + 9 | / 2\ / -log\9 + 4*x / ---------------------- = --------------- 4 4
/ | | 1 | ----------- dx | 2 | /-2*x\ | |----| + 1 | \ 3 / | / ----------------- 3
-2*x v = ---- 3
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 3 3
/ | | 1 | ----------- dx | 2 | /-2*x\ | |----| + 1 | \ 3 / /2*x\ | atan|---| / \ 3 / ----------------- = --------- 3 2
/2*x\ /9 2\ atan|---| log|- + x | \ 3 / \4 / C + --------- - ----------- 2 4
/ /2*x\ | atan|---| / 2\ | 3 - 2*x \ 3 / log\9 + 4*x / | -------- dx = C + --------- - ------------- | 2 2 4 | 4*x + 9 | /
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.