Integral de (2x-3x^2)/(7-5x^4) dx
Solución
Respuesta (Indefinida)
[src]
// / ____ 2\ \
|| ____ |\/ 35 *x | |
/ ||-\/ 35 *acoth|---------| | / 4 _____\ / 4 ______\ / 4 _____\
| || \ 7 / 4 | 4 ______ | \/ 875 | 4 ______ |x*\/ 1715 | 4 ______ | \/ 875 |
| 2 ||------------------------- for x > 7/5| 3*\/ 1715 *log|x + -------| 3*\/ 1715 *atan|----------| 3*\/ 1715 *log|x - -------|
| 2*x - 3*x || 70 | \ 5 / \ 7 / \ 5 /
| ---------- dx = C - 2*|< | - --------------------------- + --------------------------- + ---------------------------
| 4 || / ____ 2\ | 140 70 140
| 7 - 5*x || ____ |\/ 35 *x | |
| ||-\/ 35 *atanh|---------| |
/ || \ 7 / 4 |
||------------------------- for x < 7/5|
\\ 70 /
∫7−5x4−3x2+2xdx=C−2⎩⎨⎧−7035acoth(735x2)−7035atanh(735x2)forx4>57forx4<57+140341715log(x−54875)−140341715log(x+54875)+70341715atan(741715x)
/ / 3 2\\ / / 3 2\\
| 4 2 | 3722 235200*t 5040*t 44800*t || | 4 2 | 1061 235200*t 5040*t 44800*t ||
- RootSum|1568000*t - 22400*t + 10080*t - 487, t -> t*log|- ---- - --------- + ------ + --------|| + RootSum|1568000*t - 22400*t + 10080*t - 487, t -> t*log|- ---- - --------- + ------ + --------||
\ \ 2661 887 887 2661 // \ \ 2661 887 887 2661 //
−RootSum(1568000t4−22400t2+10080t−487,(t↦tlog(−887235200t3+266144800t2+8875040t−26613722)))+RootSum(1568000t4−22400t2+10080t−487,(t↦tlog(−887235200t3+266144800t2+8875040t−26611061)))
=
/ / 3 2\\ / / 3 2\\
| 4 2 | 3722 235200*t 5040*t 44800*t || | 4 2 | 1061 235200*t 5040*t 44800*t ||
- RootSum|1568000*t - 22400*t + 10080*t - 487, t -> t*log|- ---- - --------- + ------ + --------|| + RootSum|1568000*t - 22400*t + 10080*t - 487, t -> t*log|- ---- - --------- + ------ + --------||
\ \ 2661 887 887 2661 // \ \ 2661 887 887 2661 //
−RootSum(1568000t4−22400t2+10080t−487,(t↦tlog(−887235200t3+266144800t2+8875040t−26613722)))+RootSum(1568000t4−22400t2+10080t−487,(t↦tlog(−887235200t3+266144800t2+8875040t−26611061)))
-RootSum(1568000*_t^4 - 22400*_t^2 + 10080*_t - 487, Lambda(_t, _t*log(-3722/2661 - 235200*_t^3/887 + 5040*_t/887 + 44800*_t^2/2661))) + RootSum(1568000*_t^4 - 22400*_t^2 + 10080*_t - 487, Lambda(_t, _t*log(-1061/2661 - 235200*_t^3/887 + 5040*_t/887 + 44800*_t^2/2661)))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.