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