oo / | | 16 | ------------------- dx | / 2 \ | pi*\4*x + 4*x + 5/ | / 1/2
Integral(16/((pi*(4*x^2 + 4*x + 5))), (x, 1/2, oo))
/ | | 16 | ------------------- dx | / 2 \ | pi*\4*x + 4*x + 5/ | /
//16\\ ||--|| |\pi/| |----| 16 \ 4 / ------------------- = --------------- / 2 \ 2 pi*\4*x + 4*x + 5/ (-x - 1/2) + 1
/ | | 16 | ------------------- dx | / 2 \ = | pi*\4*x + 4*x + 5/ | /
/ | | 1 4* | --------------- dx | 2 | (-x - 1/2) + 1 | / ----------------------- pi
/ | | 1 4* | --------------- dx | 2 | (-x - 1/2) + 1 | / ----------------------- pi
v = -1/2 - x
/ | | 1 4* | ------ dv | 2 | 1 + v | / 4*atan(v) -------------- = --------- pi pi
/ | | 1 4* | --------------- dx | 2 | (-x - 1/2) + 1 | / 4*atan(1/2 + x) ----------------------- = --------------- pi pi
4*atan(1/2 + x) C + --------------- pi
/ | | 16 4*atan(1/2 + x) | ------------------- dx = C + --------------- | / 2 \ pi | pi*\4*x + 4*x + 5/ | /
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.