Integral de dx/(x^2+6*x+7) dx
Solución
Respuesta (Indefinida)
[src]
// / ___ \ \
|| ___ |\/ 2 *(3 + x)| |
||-\/ 2 *acoth|-------------| |
/ || \ 2 / 2 |
| ||---------------------------- for (3 + x) > 2|
| 1 || 2 |
| ------------ dx = C + |< |
| 2 || / ___ \ |
| x + 6*x + 7 || ___ |\/ 2 *(3 + x)| |
| ||-\/ 2 *atanh|-------------| |
/ || \ 2 / 2 |
||---------------------------- for (3 + x) < 2|
\\ 2 /
∫(x2+6x)+71dx=C+⎩⎨⎧−22acoth(22(x+3))−22atanh(22(x+3))for(x+3)2>2for(x+3)2<2
Gráfica
___ / ___\ ___ / ___\ ___ / ___\ ___ / ___\
\/ 2 *log\3 - \/ 2 / \/ 2 *log\4 + \/ 2 / \/ 2 *log\3 + \/ 2 / \/ 2 *log\4 - \/ 2 /
- -------------------- - -------------------- + -------------------- + --------------------
4 4 4 4
−42log(2+4)−42log(3−2)+42log(4−2)+42log(2+3)
=
___ / ___\ ___ / ___\ ___ / ___\ ___ / ___\
\/ 2 *log\3 - \/ 2 / \/ 2 *log\4 + \/ 2 / \/ 2 *log\3 + \/ 2 / \/ 2 *log\4 - \/ 2 /
- -------------------- - -------------------- + -------------------- + --------------------
4 4 4 4
−42log(2+4)−42log(3−2)+42log(4−2)+42log(2+3)
-sqrt(2)*log(3 - sqrt(2))/4 - sqrt(2)*log(4 + sqrt(2))/4 + sqrt(2)*log(3 + sqrt(2))/4 + sqrt(2)*log(4 - sqrt(2))/4
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.