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Integral de ((x^3)-1)/(3*(x^4)+x^2+5) dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
 oo                 
  /                 
 |                  
 |       3          
 |      x  - 1      
 |  ------------- dx
 |     4    2       
 |  3*x  + x  + 5   
 |                  
/                   
1                   
$$\int\limits_{1}^{\infty} \frac{x^{3} - 1}{\left(3 x^{4} + x^{2}\right) + 5}\, dx$$
Integral((x^3 - 1)/(3*x^4 + x^2 + 5), (x, 1, oo))
Respuesta (Indefinida) [src]
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  /                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     ______________________________________                                                                                                                                                                                                                                                                                                                                                                                                                                                                         ______________________________________                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |6*\/ 59 *|- + x ||
 |                                                     _______________    /                   _______________                   /                ______________                ______________              ______________    _______________\                 _______________\        _______________    /                   _______________                   /               ______________                 ______________              ______________    _______________\                 _______________\          /           _______________                 /                                                    ______________                                                                                      ______________    _______________                                                                                          ______________                                                                                                                                                      \          /           _______________                 /                                                  ______________                                                                                                   ______________                                                                                   ______________    _______________                                                                                                                                                \     ____     |         \6     /|
 |      3                    /        2      4\       /          ____     |                  /          ____           ____     |       _____   /         ____        _____   /         ____      _____   /         ____    /          ____ |         ____   /          ____ |       /          ____     |                  /          ____           ____     |      _____   /         ____         _____   /         ____      _____   /         ____    /          ____ |         ____   /          ____ |         /           /          ____        ____      |                                                   /         ____                                                                                      /         ____    /          ____                                                                                   ____   /         ____                                                                                                   _____                                               |         /           /          ____        ____      |                                                 /         ____                                                                                            ____   /         ____                                                                                   /         ____    /          ____                                                                                             _____                                               |   \/ 59 *atan|-----------------|
 |     x  - 1             log\10 + 2*x  + 6*x /      /   1     \/ 15      |  667    2   56*\/  61 + 4*\/ 15     3619*\/ 15      |  19*\/ 295 *\/  1 + 2*\/ 15     4*\/ 177 *\/  1 + 2*\/ 15     \/ 295 *\/  1 + 2*\/ 15  *\/  61 + 4*\/ 15  |   167*\/ 15 *\/  61 + 4*\/ 15  |      /   1     \/ 15      |  667    2   56*\/  61 + 4*\/ 15     3619*\/ 15      |  4*\/ 177 *\/  1 + 2*\/ 15     19*\/ 295 *\/  1 + 2*\/ 15     \/ 295 *\/  1 + 2*\/ 15  *\/  61 + 4*\/ 15  |   167*\/ 15 *\/  61 + 4*\/ 15  |        /    1     \/  61 + 4*\/ 15     3*\/ 15       |                                              57*\/  1 + 2*\/ 15                                                                                   3*\/  1 + 2*\/ 15  *\/  61 + 4*\/ 15                                                                                8*\/ 15 *\/  1 + 2*\/ 15                                                                                             12*x*\/ 295                                                |        /    1     \/  61 + 4*\/ 15     3*\/ 15       |                                            57*\/  1 + 2*\/ 15                                                                                         8*\/ 15 *\/  1 + 2*\/ 15                                                                                3*\/  1 + 2*\/ 15  *\/  61 + 4*\/ 15                                                                                       12*x*\/ 295                                                |              \        59       /
 | ------------- dx = C + --------------------- +   /   ---- + ------ *log|- --- + x  - --------------------- + ----------- + x*|- ---------------------------- + --------------------------- - --------------------------------------------| + -----------------------------| -   /   ---- + ------ *log|- --- + x  - --------------------- + ----------- + x*|- --------------------------- + ---------------------------- + --------------------------------------------| + -----------------------------| - 2*  /    ---- - ------------------ + -------- *atan|- ----------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------------------------------------| - 2*  /    ---- - ------------------ + -------- *atan|----------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------------------------------------| - ------------------------------
 |    4    2                        12            \/    4720    2360      \  885                 295                5310        \              590                            177                                   590                     /                5310            /   \/    4720    2360      \  885                 295                5310        \              177                           590                                    590                     /                5310            /     \/     4720          2360            2360        |         _____________________________________                          _____________________________________          _____________________________________                          _____________________________________          _____________________________________                          _____________________________________          _____________________________________                          _____________________________________|     \/     4720          2360            2360        |       _____________________________________                          _____________________________________          _____________________________________                          _____________________________________          _____________________________________                          _____________________________________          _____________________________________                          _____________________________________|                354              
 | 3*x  + x  + 5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |        /          _______________                  _______________    /          _______________                     /          _______________                  _______________    /          _______________                     /          _______________                  _______________    /          _______________                     /          _______________                  _______________    /          _______________            |                                                      |      /          _______________                  _______________    /          _______________                     /          _______________                  _______________    /          _______________                     /          _______________                  _______________    /          _______________                     /          _______________                  _______________    /          _______________            |                                 
 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |       /          /          ____        ____      /          ____    /          /          ____        ____         /          /          ____        ____      /          ____    /          /          ____        ____         /          /          ____        ____      /          ____    /          /          ____        ____         /          /          ____        ____      /          ____    /          /          ____        ____ |                                                      |     /          /          ____        ____      /          ____    /          /          ____        ____         /          /          ____        ____      /          ____    /          /          ____        ____         /          /          ____        ____      /          ____    /          /          ____        ____         /          /          ____        ____      /          ____    /          /          ____        ____ |                                 
/                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  \  59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15     59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15     59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15     59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15  /                                                      \59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15     59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15     59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15     59*\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15   + \/  61 + 4*\/ 15  *\/   1 - 2*\/  61 + 4*\/ 15   + 6*\/ 15  /                                 
$$\int \frac{x^{3} - 1}{\left(3 x^{4} + x^{2}\right) + 5}\, dx = C + \frac{\log{\left(6 x^{4} + 2 x^{2} + 10 \right)}}{12} - \sqrt{\frac{1}{4720} + \frac{\sqrt{15}}{2360}} \log{\left(x^{2} + x \left(- \frac{4 \sqrt{177} \sqrt{1 + 2 \sqrt{15}}}{177} + \frac{\sqrt{295} \sqrt{1 + 2 \sqrt{15}} \sqrt{4 \sqrt{15} + 61}}{590} + \frac{19 \sqrt{295} \sqrt{1 + 2 \sqrt{15}}}{590}\right) - \frac{56 \sqrt{4 \sqrt{15} + 61}}{295} - \frac{667}{885} + \frac{167 \sqrt{15} \sqrt{4 \sqrt{15} + 61}}{5310} + \frac{3619 \sqrt{15}}{5310} \right)} + \sqrt{\frac{1}{4720} + \frac{\sqrt{15}}{2360}} \log{\left(x^{2} + x \left(- \frac{19 \sqrt{295} \sqrt{1 + 2 \sqrt{15}}}{590} - \frac{\sqrt{295} \sqrt{1 + 2 \sqrt{15}} \sqrt{4 \sqrt{15} + 61}}{590} + \frac{4 \sqrt{177} \sqrt{1 + 2 \sqrt{15}}}{177}\right) - \frac{56 \sqrt{4 \sqrt{15} + 61}}{295} - \frac{667}{885} + \frac{167 \sqrt{15} \sqrt{4 \sqrt{15} + 61}}{5310} + \frac{3619 \sqrt{15}}{5310} \right)} - \frac{\sqrt{59} \operatorname{atan}{\left(\frac{6 \sqrt{59} \left(x^{2} + \frac{1}{6}\right)}{59} \right)}}{354} - 2 \sqrt{- \frac{\sqrt{4 \sqrt{15} + 61}}{2360} + \frac{1}{4720} + \frac{3 \sqrt{15}}{2360}} \operatorname{atan}{\left(\frac{12 \sqrt{295} x}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} - \frac{57 \sqrt{1 + 2 \sqrt{15}}}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} - \frac{3 \sqrt{1 + 2 \sqrt{15}} \sqrt{4 \sqrt{15} + 61}}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} + \frac{8 \sqrt{15} \sqrt{1 + 2 \sqrt{15}}}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} \right)} - 2 \sqrt{- \frac{\sqrt{4 \sqrt{15} + 61}}{2360} + \frac{1}{4720} + \frac{3 \sqrt{15}}{2360}} \operatorname{atan}{\left(\frac{12 \sqrt{295} x}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} - \frac{8 \sqrt{15} \sqrt{1 + 2 \sqrt{15}}}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} + \frac{3 \sqrt{1 + 2 \sqrt{15}} \sqrt{4 \sqrt{15} + 61}}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} + \frac{57 \sqrt{1 + 2 \sqrt{15}}}{\sqrt{4 \sqrt{15} + 61} \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}} + 59 \sqrt{- 2 \sqrt{4 \sqrt{15} + 61} + 1 + 6 \sqrt{15}}} \right)}$$
Gráfica

    Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.