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