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