1 / | | 1 - 3*x | -------------- dx | 2 | 5*x - 6*x + 2 | / 0
Integral((1 - 3*x)/(5*x^2 - 6*x + 2), (x, 0, 1))
/ | | 1 - 3*x | -------------- dx | 2 | 5*x - 6*x + 2 | /
5*2*x - 6 3*-------------- / -4 \ 2 |-----| 1 - 3*x 5*x - 6*x + 2 \5*1/5/ -------------- = - ---------------- + --------------- 2 10 2 5*x - 6*x + 2 (-5*x + 3) + 1
/ | | 1 - 3*x | -------------- dx | 2 = | 5*x - 6*x + 2 | /
/ | | 5*2*x - 6 3* | -------------- dx | 2 / | 5*x - 6*x + 2 | | | 1 / - 4* | --------------- dx - ---------------------- | 2 10 | (-5*x + 3) + 1 | /
/ | | 5*2*x - 6 -3* | -------------- dx | 2 | 5*x - 6*x + 2 | / ----------------------- 10
2 u = -6*x + 5*x
/ | | 1 -3* | ----- du | 2 + u | / -3*log(2 + u) -------------- = ------------- 10 10
/ | | 5*2*x - 6 -3* | -------------- dx | 2 | 5*x - 6*x + 2 | / 2\ / -3*log\2 - 6*x + 5*x / ----------------------- = ---------------------- 10 10
/ | | 1 -4* | --------------- dx | 2 | (-5*x + 3) + 1 | /
v = 3 - 5*x
/ | | 1 -4* | ------ dv = -4*atan(v) | 2 | 1 + v | /
/ | | 1 -4*atan(-3 + 5*x) -4* | --------------- dx = ----------------- | 2 5 | (-5*x + 3) + 1 | /
/2 2 6*x\ 3*log|- + x - ---| 4*atan(-3 + 5*x) \5 5 / C - ---------------- - ------------------- 5 10
/ | / 2\ | 1 - 3*x 4*atan(-3 + 5*x) 3*log\2 - 6*x + 5*x / | -------------- dx = C - ---------------- - --------------------- | 2 5 10 | 5*x - 6*x + 2 | /
4*atan(2) 4*atan(3) 3*log(5) 3*log(2/5) - --------- - --------- + -------- + ---------- 5 5 10 10
=
4*atan(2) 4*atan(3) 3*log(5) 3*log(2/5) - --------- - --------- + -------- + ---------- 5 5 10 10
-4*atan(2)/5 - 4*atan(3)/5 + 3*log(5)/10 + 3*log(2/5)/10
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.