0 / | | x | -------- dx | 2 | 4*x + 9 | / -2
Integral(x/(4*x^2 + 9), (x, -2, 0))
/ | | x | -------- dx | 2 | 4*x + 9 | /
/ 4*2*x \ |--------------| /0\ | 2 | |-| x \4*x + 0*x + 9/ \9/ -------- = ---------------- + ----------- 2 8 2 4*x + 9 /-2*x\ |----| + 1 \ 3 /
/ | | x | -------- dx | 2 = | 4*x + 9 | /
/ | | 4*2*x | -------------- dx | 2 | 4*x + 0*x + 9 | / -------------------- 8
/ | | 4*2*x | -------------- dx | 2 | 4*x + 0*x + 9 | / -------------------- 8
2 u = 4*x
/ | | 1 | ----- du | 9 + u | / log(9 + u) ----------- = ---------- 8 8
/ | | 4*2*x | -------------- dx | 2 | 4*x + 0*x + 9 | / 2\ / log\9 + 4*x / -------------------- = ------------- 8 8
0
-2*x v = ---- 3
True
True
/ 2\ log\9 + 4*x / C + ------------- 8
/ | / 2\ | x log\9 + 4*x / | -------- dx = C + ------------- | 2 8 | 4*x + 9 | /
log(25) log(9) - ------- + ------ 8 8
=
log(25) log(9) - ------- + ------ 8 8
-log(25)/8 + log(9)/8
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.