1 / | | x | -------------------- dx | 2 ___ | 2*x - 2*\/ 2 *x + 2 | / 0
Integral(x/(2*x^2 - 2*sqrt(2)*x + 2), (x, 0, 1))
/ | | x | -------------------- dx | 2 ___ | 2*x - 2*\/ 2 *x + 2 | /
// ___\\ / ___ \ ||\/ 2 || | 2*2*x - 2*\/ 2 | ||-----|| |---------------------| |\ 2 /| | 2 ___ | |-------| x \2*x + -2*\/ 2 *x + 2/ \ 1 / -------------------- = ----------------------- + ------------------- 2 ___ 4 2 2*x - 2*\/ 2 *x + 2 / ___ \ \-\/ 2 *x + 1/ + 1
/ | | x | -------------------- dx | 2 ___ = | 2*x - 2*\/ 2 *x + 2 | /
/ / | | | ___ ___ | 1 | 2*2*x - 2*\/ 2 \/ 2 * | ------------------- dx | --------------------- dx | 2 | 2 ___ | / ___ \ | 2*x + -2*\/ 2 *x + 2 | \-\/ 2 *x + 1/ + 1 | | / / --------------------------- + ------------------------------- 4 2
/ | | ___ | 2*2*x - 2*\/ 2 | --------------------- dx | 2 ___ | 2*x + -2*\/ 2 *x + 2 | / --------------------------- 4
2 ___ u = 2*x - 2*x*\/ 2
/ | | 1 | ----- du | 2 + u | / log(2 + u) ----------- = ---------- 4 4
/ | | ___ | 2*2*x - 2*\/ 2 | --------------------- dx | 2 ___ | 2*x + -2*\/ 2 *x + 2 | / 2 ___\ / log\1 + x - x*\/ 2 / --------------------------- = --------------------- 4 4
/ | ___ | 1 \/ 2 * | ------------------- dx | 2 | / ___ \ | \-\/ 2 *x + 1/ + 1 | / ------------------------------- 2
___ v = 1 - x*\/ 2
/ | ___ | 1 \/ 2 * | ------ dv | 2 | 1 + v | ___ / \/ 2 *atan(v) ------------------ = ------------- 2 2
/ | ___ | 1 \/ 2 * | ------------------- dx | 2 | / ___ \ | \-\/ 2 *x + 1/ + 1 | / ___\ / atan\-1 + x*\/ 2 / ------------------------------- = ------------------ 2 2
/ ___\ / 2 ___\ atan\-1 + x*\/ 2 / log\1 + x - x*\/ 2 / C + ------------------ + --------------------- 2 4
/ / ___\\ / | ___ | \/ 2 || | atan|\/ 2 *|x - -----|| / 2 ___\ | x \ \ 2 // log\2 + 2*x - 2*x*\/ 2 / | -------------------- dx = C + ----------------------- + ------------------------- | 2 ___ 2 4 | 2*x - 2*\/ 2 *x + 2 | /
/ ___\ log\2 - \/ 2 / 3*pi -------------- + ---- 4 16
=
/ ___\ log\2 - \/ 2 / 3*pi -------------- + ---- 4 16
log(2 - sqrt(2))/4 + 3*pi/16
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.