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

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
  1               
  /               
 |                
 |     5    4     
 |    x  + x      
 |  ----------- dx
 |     ________   
 |    /  4        
 |  \/  x  + 4    
 |                
/                 
0                 
01x5+x4x4+4dx\int\limits_{0}^{1} \frac{x^{5} + x^{4}}{\sqrt{x^{4} + 4}}\, dx
Integral((x^5 + x^4)/sqrt(x^4 + 4), (x, 0, 1))
Solución detallada
  1. Vuelva a escribir el integrando:

    x5+x4x4+4=x5x4+4+x4x4+4\frac{x^{5} + x^{4}}{\sqrt{x^{4} + 4}} = \frac{x^{5}}{\sqrt{x^{4} + 4}} + \frac{x^{4}}{\sqrt{x^{4} + 4}}

  2. Integramos término a término:

    1. No puedo encontrar los pasos en la búsqueda de esta integral.

      Pero la integral

      x64x4+4+x2x4+4asinh(x22)\frac{x^{6}}{4 \sqrt{x^{4} + 4}} + \frac{x^{2}}{\sqrt{x^{4} + 4}} - \operatorname{asinh}{\left(\frac{x^{2}}{2} \right)}

    1. No puedo encontrar los pasos en la búsqueda de esta integral.

      Pero la integral

      x5Γ(54)2F1(12,5494|x4eiπ4)8Γ(94)\frac{x^{5} \Gamma\left(\frac{5}{4}\right) {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {\frac{x^{4} e^{i \pi}}{4}} \right)}}{8 \Gamma\left(\frac{9}{4}\right)}

    El resultado es: x64x4+4+x5Γ(54)2F1(12,5494|x4eiπ4)8Γ(94)+x2x4+4asinh(x22)\frac{x^{6}}{4 \sqrt{x^{4} + 4}} + \frac{x^{5} \Gamma\left(\frac{5}{4}\right) {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {\frac{x^{4} e^{i \pi}}{4}} \right)}}{8 \Gamma\left(\frac{9}{4}\right)} + \frac{x^{2}}{\sqrt{x^{4} + 4}} - \operatorname{asinh}{\left(\frac{x^{2}}{2} \right)}

  3. Ahora simplificar:

    x64x4+4+x52F1(12,5494|x4eiπ4)10+x2x4+4asinh(x22)\frac{x^{6}}{4 \sqrt{x^{4} + 4}} + \frac{x^{5} {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {\frac{x^{4} e^{i \pi}}{4}} \right)}}{10} + \frac{x^{2}}{\sqrt{x^{4} + 4}} - \operatorname{asinh}{\left(\frac{x^{2}}{2} \right)}

  4. Añadimos la constante de integración:

    x64x4+4+x52F1(12,5494|x4eiπ4)10+x2x4+4asinh(x22)+constant\frac{x^{6}}{4 \sqrt{x^{4} + 4}} + \frac{x^{5} {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {\frac{x^{4} e^{i \pi}}{4}} \right)}}{10} + \frac{x^{2}}{\sqrt{x^{4} + 4}} - \operatorname{asinh}{\left(\frac{x^{2}}{2} \right)}+ \mathrm{constant}


Respuesta:

x64x4+4+x52F1(12,5494|x4eiπ4)10+x2x4+4asinh(x22)+constant\frac{x^{6}}{4 \sqrt{x^{4} + 4}} + \frac{x^{5} {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {\frac{x^{4} e^{i \pi}}{4}} \right)}}{10} + \frac{x^{2}}{\sqrt{x^{4} + 4}} - \operatorname{asinh}{\left(\frac{x^{2}}{2} \right)}+ \mathrm{constant}

Respuesta (Indefinida) [src]
                                                                                                          
  /                                                                               _  /         |  4  pi*I\
 |                                                                 5             |_  |1/2, 5/4 | x *e    |
 |    5    4                 / 2\         2              6        x *Gamma(5/4)* |   |         | --------|
 |   x  + x                  |x |        x              x                       2  1 \  9/4    |    4    /
 | ----------- dx = C - asinh|--| + ----------- + ------------- + ----------------------------------------
 |    ________               \2 /      ________        ________                 8*Gamma(9/4)              
 |   /  4                             /      4        /      4                                            
 | \/  x  + 4                       \/  4 + x     4*\/  4 + x                                             
 |                                                                                                        
/                                                                                                         
x5+x4x4+4dx=C+x64x4+4+x5Γ(54)2F1(12,5494|x4eiπ4)8Γ(94)+x2x4+4asinh(x22)\int \frac{x^{5} + x^{4}}{\sqrt{x^{4} + 4}}\, dx = C + \frac{x^{6}}{4 \sqrt{x^{4} + 4}} + \frac{x^{5} \Gamma\left(\frac{5}{4}\right) {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {\frac{x^{4} e^{i \pi}}{4}} \right)}}{8 \Gamma\left(\frac{9}{4}\right)} + \frac{x^{2}}{\sqrt{x^{4} + 4}} - \operatorname{asinh}{\left(\frac{x^{2}}{2} \right)}
Gráfica
0.001.000.100.200.300.400.500.600.700.800.900.01.0
Respuesta [src]
                                   _                   
                                  |_  /1/2, 5/4 |     \
                ___   Gamma(5/4)* |   |         | -1/4|
              \/ 5               2  1 \  9/4    |     /
-asinh(1/2) + ----- + ---------------------------------
                4                8*Gamma(9/4)          
Γ(54)2F1(12,5494|14)8Γ(94)asinh(12)+54\frac{\Gamma\left(\frac{5}{4}\right) {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {- \frac{1}{4}} \right)}}{8 \Gamma\left(\frac{9}{4}\right)} - \operatorname{asinh}{\left(\frac{1}{2} \right)} + \frac{\sqrt{5}}{4}
=
=
                                   _                   
                                  |_  /1/2, 5/4 |     \
                ___   Gamma(5/4)* |   |         | -1/4|
              \/ 5               2  1 \  9/4    |     /
-asinh(1/2) + ----- + ---------------------------------
                4                8*Gamma(9/4)          
Γ(54)2F1(12,5494|14)8Γ(94)asinh(12)+54\frac{\Gamma\left(\frac{5}{4}\right) {{}_{2}F_{1}\left(\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{9}{4} \end{matrix}\middle| {- \frac{1}{4}} \right)}}{8 \Gamma\left(\frac{9}{4}\right)} - \operatorname{asinh}{\left(\frac{1}{2} \right)} + \frac{\sqrt{5}}{4}
-asinh(1/2) + sqrt(5)/4 + gamma(5/4)*hyper((1/2, 5/4), (9/4,), -1/4)/(8*gamma(9/4))
Respuesta numérica [src]
0.171639969088749
0.171639969088749

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