oo / | | 2 | x | --------------- dx | 4 2 | 2*x + 3*x + 4 | / 0
Integral(x^2/(2*x^4 + 3*x^2 + 4), (x, 0, oo))
/ ____________________________________ ____________________________________ | _____________ / _______________ / _____________ _____________ _____________ _______________\ _______________\ _____________ / _______________ / _____________ _____________ _____________ _______________\ _______________\ / _______________ / _____________ _____________ _____________ \ / _______________ / _____________ _____________ _____________ \ | 2 / ___ | / ___ ___ | ____ / ___ ____ / ___ ____ / ___ / ___ | ___ / ___ | / ___ | / ___ ___ | ____ / ___ ____ / ___ ____ / ___ / ___ | ___ / ___ | / / ___ ___ | / ___ / ___ ____ ___ / ___ | / / ___ ___ | / ___ / ___ ___ / ___ ____ | | x / 3 \/ 2 |3357 2 479*\/ 41 + 24*\/ 2 682*\/ 2 | 16*\/ 23 *\/ 3 + 4*\/ 2 3*\/ 46 *\/ 3 + 4*\/ 2 3*\/ 46 *\/ 3 + 4*\/ 2 *\/ 41 + 24*\/ 2 | 60*\/ 2 *\/ 41 + 24*\/ 2 | / 3 \/ 2 |3357 2 479*\/ 41 + 24*\/ 2 682*\/ 2 |3*\/ 46 *\/ 3 + 4*\/ 2 16*\/ 23 *\/ 3 + 4*\/ 2 3*\/ 46 *\/ 3 + 4*\/ 2 *\/ 41 + 24*\/ 2 | 60*\/ 2 *\/ 41 + 24*\/ 2 | / 3 \/ 41 + 24*\/ 2 3*\/ 2 | 3*\/ 3 + 4*\/ 2 6*\/ 3 + 4*\/ 2 2*x*\/ 46 16*\/ 2 *\/ 3 + 4*\/ 2 | / 3 \/ 41 + 24*\/ 2 3*\/ 2 | 3*\/ 3 + 4*\/ 2 6*\/ 3 + 4*\/ 2 16*\/ 2 *\/ 3 + 4*\/ 2 2*x*\/ 46 | | --------------- dx = C + / --- + ----- *log|---- + x - ---------------------- + --------- + x*|- -------------------------- - ------------------------- + --------------------------------------------| - ---------------------------| - / --- + ----- *log|---- + x - ---------------------- + --------- + x*|------------------------- + -------------------------- - --------------------------------------------| - ---------------------------| + 2* / --- - ------------------ + ------- *atan|- ----------------------------------------- + ------------------------------------------------------------ + ------------------------------------------------------------ + ------------------------------------------------------------| + 2* / --- - ------------------ + ------- *atan|----------------------------------------- - ------------------------------------------------------------ - ------------------------------------------------------------ + ------------------------------------------------------------| | 4 2 \/ 736 184 \ 92 92 23 \ 23 23 46 / 23 / \/ 736 184 \ 92 92 23 \ 23 23 46 / 23 / \/ 736 368 184 | _____________________________________ _____________________________________ _____________________________________ _____________________________________| \/ 736 368 184 | _____________________________________ _____________________________________ _____________________________________ _____________________________________| | 2*x + 3*x + 4 | / _______________ _______________ / _______________ _______________ / _______________ _______________ / _______________ | | / _______________ _______________ / _______________ _______________ / _______________ _______________ / _______________ | | | / / ___ ___ / ___ / / ___ ___ / ___ / / ___ ___ / ___ / / ___ ___ | | / / ___ ___ / ___ / / ___ ___ / ___ / / ___ ___ / ___ / / ___ ___ | / \ \/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 \/ 41 + 24*\/ 2 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 \/ 41 + 24*\/ 2 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 \/ 41 + 24*\/ 2 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 / \\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 \/ 41 + 24*\/ 2 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 \/ 41 + 24*\/ 2 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 \/ 41 + 24*\/ 2 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 /
_____________________________________ / _______________ ____ / / ___ ___ pi*\/ 46 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 --------------------------------------------------- 92
=
_____________________________________ / _______________ ____ / / ___ ___ pi*\/ 46 *\/ 3 - 2*\/ 41 + 24*\/ 2 + 12*\/ 2 --------------------------------------------------- 92
pi*sqrt(46)*sqrt(3 - 2*sqrt(41 + 24*sqrt(2)) + 12*sqrt(2))/92
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.