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