Integral de (x^2-9)/(x^2-8) dx
Solución
Respuesta (Indefinida)
[src]
// / ___\ \
|| ___ |x*\/ 2 | |
/ ||-\/ 2 *acoth|-------| |
| || \ 4 / 2 |
| 2 ||---------------------- for x > 8|
| x - 9 || 4 |
| ------ dx = C + x - |< |
| 2 || / ___\ |
| x - 8 || ___ |x*\/ 2 | |
| ||-\/ 2 *atanh|-------| |
/ || \ 4 / 2 |
||---------------------- for x < 8|
\\ 4 /
∫x2−8x2−9dx=C+x−⎩⎨⎧−42acoth(42x)−42atanh(42x)forx2>8forx2<8
Gráfica
___ / / ___\\ ___ / ___\ ___ / / ___\\ ___ / ___\
\/ 2 *\pi*I + log\-1 + 2*\/ 2 // \/ 2 *log\2*\/ 2 / \/ 2 *\pi*I + log\2*\/ 2 // \/ 2 *log\1 + 2*\/ 2 /
1 - -------------------------------- - ------------------ + --------------------------- + ----------------------
8 8 8 8
−82log(22)+82log(1+22)+1−82(log(−1+22)+iπ)+82(log(22)+iπ)
=
___ / / ___\\ ___ / ___\ ___ / / ___\\ ___ / ___\
\/ 2 *\pi*I + log\-1 + 2*\/ 2 // \/ 2 *log\2*\/ 2 / \/ 2 *\pi*I + log\2*\/ 2 // \/ 2 *log\1 + 2*\/ 2 /
1 - -------------------------------- - ------------------ + --------------------------- + ----------------------
8 8 8 8
−82log(22)+82log(1+22)+1−82(log(−1+22)+iπ)+82(log(22)+iπ)
1 - sqrt(2)*(pi*i + log(-1 + 2*sqrt(2)))/8 - sqrt(2)*log(2*sqrt(2))/8 + sqrt(2)*(pi*i + log(2*sqrt(2)))/8 + sqrt(2)*log(1 + 2*sqrt(2))/8
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.