Integral de (3x+4)/((x^2-5x+9)(x+7)) dx
Solución
Respuesta (Indefinida)
[src]
/ ____ \
/ ____ |2*\/ 11 *(-5/2 + x)|
| / 2 \ 235*\/ 11 *atan|-------------------|
| 3*x + 4 17*log(7 + x) 17*log\9 + x - 5*x/ \ 11 /
| ---------------------- dx = C - ------------- + -------------------- + ------------------------------------
| / 2 \ 93 186 1023
| \x - 5*x + 9/*(x + 7)
|
/
∫(x+7)((x2−5x)+9)3x+4dx=C−9317log(x+7)+18617log(x2−5x+9)+102323511atan(11211(x−25))
Gráfica
/ ____\ / ____\
____ |3*\/ 11 | ____ |5*\/ 11 |
235*\/ 11 *atan|--------| 235*\/ 11 *atan|--------|
17*log(8) 17*log(9) 17*log(7) 17*log(5) \ 11 / \ 11 /
- --------- - --------- + --------- + --------- - ------------------------- + -------------------------
93 186 93 186 1023 1023
−102323511atan(11311)−9317log(8)−18617log(9)+18617log(5)+9317log(7)+102323511atan(11511)
=
/ ____\ / ____\
____ |3*\/ 11 | ____ |5*\/ 11 |
235*\/ 11 *atan|--------| 235*\/ 11 *atan|--------|
17*log(8) 17*log(9) 17*log(7) 17*log(5) \ 11 / \ 11 /
- --------- - --------- + --------- + --------- - ------------------------- + -------------------------
93 186 93 186 1023 1023
−102323511atan(11311)−9317log(8)−18617log(9)+18617log(5)+9317log(7)+102323511atan(11511)
-17*log(8)/93 - 17*log(9)/186 + 17*log(7)/93 + 17*log(5)/186 - 235*sqrt(11)*atan(3*sqrt(11)/11)/1023 + 235*sqrt(11)*atan(5*sqrt(11)/11)/1023
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.