Integral de (x-5)/(-2x^(2)+x+4) dx
Solución
Respuesta (Indefinida)
[src]
// / ____ \ \
|| ____ |4*\/ 33 *(-1/4 + x)| |
||-\/ 33 *acoth|-------------------| |
/ || \ 33 / 2 33|
| ||----------------------------------- for (-1/4 + x) > --| / 2\
| x - 5 || 132 16| log\-4 - x + 2*x /
| -------------- dx = C + 38*|< | - ------------------
| 2 || / ____ \ | 4
| - 2*x + x + 4 || ____ |4*\/ 33 *(-1/4 + x)| |
| ||-\/ 33 *atanh|-------------------| |
/ || \ 33 / 2 33|
||----------------------------------- for (-1/4 + x) < --|
\\ 132 16/
∫(−2x2+x)+4x−5dx=C+38⎩⎨⎧−13233acoth(33433(x−41))−13233atanh(33433(x−41))for(x−41)2>1633for(x−41)2<1633−4log(2x2−x−4)
Gráfica
/ ____\ / / ____\\ / ____\ / ____\ / ____\ / / ____\\ / ____\ / ____\
|1 19*\/ 33 | | |1 \/ 33 || |1 19*\/ 33 | | 1 \/ 33 | |1 19*\/ 33 | | | 3 \/ 33 || |1 19*\/ 33 | |3 \/ 33 |
|- - ---------|*|pi*I + log|- + ------|| + |- + ---------|*log|- - + ------| - |- - ---------|*|pi*I + log|- - + ------|| - |- + ---------|*log|- + ------|
\4 132 / \ \4 4 // \4 132 / \ 4 4 / \4 132 / \ \ 4 4 // \4 132 / \4 4 /
−(41+1321933)log(43+433)+(41+1321933)log(−41+433)+(41−1321933)(log(41+433)+iπ)−(41−1321933)(log(−43+433)+iπ)
=
/ ____\ / / ____\\ / ____\ / ____\ / ____\ / / ____\\ / ____\ / ____\
|1 19*\/ 33 | | |1 \/ 33 || |1 19*\/ 33 | | 1 \/ 33 | |1 19*\/ 33 | | | 3 \/ 33 || |1 19*\/ 33 | |3 \/ 33 |
|- - ---------|*|pi*I + log|- + ------|| + |- + ---------|*log|- - + ------| - |- - ---------|*|pi*I + log|- - + ------|| - |- + ---------|*log|- + ------|
\4 132 / \ \4 4 // \4 132 / \ 4 4 / \4 132 / \ \ 4 4 // \4 132 / \4 4 /
−(41+1321933)log(43+433)+(41+1321933)log(−41+433)+(41−1321933)(log(41+433)+iπ)−(41−1321933)(log(−43+433)+iπ)
(1/4 - 19*sqrt(33)/132)*(pi*i + log(1/4 + sqrt(33)/4)) + (1/4 + 19*sqrt(33)/132)*log(-1/4 + sqrt(33)/4) - (1/4 - 19*sqrt(33)/132)*(pi*i + log(-3/4 + sqrt(33)/4)) - (1/4 + 19*sqrt(33)/132)*log(3/4 + sqrt(33)/4)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.