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Integral de sh(x^2)+x^2*sh(x^2) dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
  1                            
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 |  \sinh\x / + x *sinh\x // dx
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0                              
01(x2sinh(x2)+sinh(x2))dx\int\limits_{0}^{1} \left(x^{2} \sinh{\left(x^{2} \right)} + \sinh{\left(x^{2} \right)}\right)\, dx
Integral(sinh(x^2) + x^2*sinh(x^2), (x, 0, 1))
Solución detallada
  1. Integramos término a término:

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

      Pero la integral

      5xcosh(x2)Γ(54)8Γ(94)52πeiπ4C(2xeiπ4π)Γ(54)16Γ(94)\frac{5 x \cosh{\left(x^{2} \right)} \Gamma\left(\frac{5}{4}\right)}{8 \Gamma\left(\frac{9}{4}\right)} - \frac{5 \sqrt{2} \sqrt{\pi} e^{- \frac{i \pi}{4}} C\left(\frac{\sqrt{2} x e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{5}{4}\right)}{16 \Gamma\left(\frac{9}{4}\right)}

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

      Pero la integral

      32πe3iπ4S(2xeiπ4π)Γ(34)8Γ(74)\frac{3 \sqrt{2} \sqrt{\pi} e^{- \frac{3 i \pi}{4}} S\left(\frac{\sqrt{2} x e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{3}{4}\right)}{8 \Gamma\left(\frac{7}{4}\right)}

    El resultado es: 5xcosh(x2)Γ(54)8Γ(94)52πeiπ4C(2xeiπ4π)Γ(54)16Γ(94)+32πe3iπ4S(2xeiπ4π)Γ(34)8Γ(74)\frac{5 x \cosh{\left(x^{2} \right)} \Gamma\left(\frac{5}{4}\right)}{8 \Gamma\left(\frac{9}{4}\right)} - \frac{5 \sqrt{2} \sqrt{\pi} e^{- \frac{i \pi}{4}} C\left(\frac{\sqrt{2} x e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{5}{4}\right)}{16 \Gamma\left(\frac{9}{4}\right)} + \frac{3 \sqrt{2} \sqrt{\pi} e^{- \frac{3 i \pi}{4}} S\left(\frac{\sqrt{2} x e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{3}{4}\right)}{8 \Gamma\left(\frac{7}{4}\right)}

  2. Ahora simplificar:

    (2xcosh(x2)+(1)34πC(142xπ)214πS(142xπ))Γ(14)Γ(34)4π\frac{\left(\sqrt{2} x \cosh{\left(x^{2} \right)} + \left(-1\right)^{\frac{3}{4}} \sqrt{\pi} C\left(\frac{\sqrt[4]{-1} \sqrt{2} x}{\sqrt{\pi}}\right) - 2 \sqrt[4]{-1} \sqrt{\pi} S\left(\frac{\sqrt[4]{-1} \sqrt{2} x}{\sqrt{\pi}}\right)\right) \Gamma\left(\frac{1}{4}\right) \Gamma\left(\frac{3}{4}\right)}{4 \pi}

  3. Añadimos la constante de integración:

    (2xcosh(x2)+(1)34πC(142xπ)214πS(142xπ))Γ(14)Γ(34)4π+constant\frac{\left(\sqrt{2} x \cosh{\left(x^{2} \right)} + \left(-1\right)^{\frac{3}{4}} \sqrt{\pi} C\left(\frac{\sqrt[4]{-1} \sqrt{2} x}{\sqrt{\pi}}\right) - 2 \sqrt[4]{-1} \sqrt{\pi} S\left(\frac{\sqrt[4]{-1} \sqrt{2} x}{\sqrt{\pi}}\right)\right) \Gamma\left(\frac{1}{4}\right) \Gamma\left(\frac{3}{4}\right)}{4 \pi}+ \mathrm{constant}


Respuesta:

(2xcosh(x2)+(1)34πC(142xπ)214πS(142xπ))Γ(14)Γ(34)4π+constant\frac{\left(\sqrt{2} x \cosh{\left(x^{2} \right)} + \left(-1\right)^{\frac{3}{4}} \sqrt{\pi} C\left(\frac{\sqrt[4]{-1} \sqrt{2} x}{\sqrt{\pi}}\right) - 2 \sqrt[4]{-1} \sqrt{\pi} S\left(\frac{\sqrt[4]{-1} \sqrt{2} x}{\sqrt{\pi}}\right)\right) \Gamma\left(\frac{1}{4}\right) \Gamma\left(\frac{3}{4}\right)}{4 \pi}+ \mathrm{constant}

Respuesta (Indefinida) [src]
                                                                                       /         pi*I\                                       /         pi*I\           
                                                                               -pi*I   |         ----|                              -3*pi*I  |         ----|           
                                                                               ------  |    ___   4  |                              -------  |    ___   4  |           
                                                                   ___   ____    4     |x*\/ 2 *e    |                  ___   ____     4     |x*\/ 2 *e    |           
  /                                                            5*\/ 2 *\/ pi *e      *C|-------------|*Gamma(5/4)   3*\/ 2 *\/ pi *e       *S|-------------|*Gamma(3/4)
 |                                           / 2\                                      |      ____   |                                       |      ____   |           
 | /    / 2\    2     / 2\\          5*x*cosh\x /*Gamma(5/4)                           \    \/ pi    /                                       \    \/ pi    /           
 | \sinh\x / + x *sinh\x // dx = C + ----------------------- - -------------------------------------------------- + ---------------------------------------------------
 |                                         8*Gamma(9/4)                          16*Gamma(9/4)                                          8*Gamma(7/4)                   
/                                                                                                                                                                      
(x2sinh(x2)+sinh(x2))dx=C+5xcosh(x2)Γ(54)8Γ(94)52πeiπ4C(2xeiπ4π)Γ(54)16Γ(94)+32πe3iπ4S(2xeiπ4π)Γ(34)8Γ(74)\int \left(x^{2} \sinh{\left(x^{2} \right)} + \sinh{\left(x^{2} \right)}\right)\, dx = C + \frac{5 x \cosh{\left(x^{2} \right)} \Gamma\left(\frac{5}{4}\right)}{8 \Gamma\left(\frac{9}{4}\right)} - \frac{5 \sqrt{2} \sqrt{\pi} e^{- \frac{i \pi}{4}} C\left(\frac{\sqrt{2} x e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{5}{4}\right)}{16 \Gamma\left(\frac{9}{4}\right)} + \frac{3 \sqrt{2} \sqrt{\pi} e^{- \frac{3 i \pi}{4}} S\left(\frac{\sqrt{2} x e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{3}{4}\right)}{8 \Gamma\left(\frac{7}{4}\right)}
Gráfica
0.001.000.100.200.300.400.500.600.700.800.900.02.5
Respuesta [src]
                                               /       pi*I\                                       /       pi*I\           
                                       -pi*I   |       ----|                              -3*pi*I  |       ----|           
                                       ------  |  ___   4  |                              -------  |  ___   4  |           
                           ___   ____    4     |\/ 2 *e    |                  ___   ____     4     |\/ 2 *e    |           
                       5*\/ 2 *\/ pi *e      *C|-----------|*Gamma(5/4)   3*\/ 2 *\/ pi *e       *S|-----------|*Gamma(3/4)
                                               |     ____  |                                       |     ____  |           
5*cosh(1)*Gamma(5/4)                           \   \/ pi   /                                       \   \/ pi   /           
-------------------- - ------------------------------------------------ + -------------------------------------------------
    8*Gamma(9/4)                        16*Gamma(9/4)                                        8*Gamma(7/4)                  
52πeiπ4C(2eiπ4π)Γ(54)16Γ(94)+32πe3iπ4S(2eiπ4π)Γ(34)8Γ(74)+5cosh(1)Γ(54)8Γ(94)- \frac{5 \sqrt{2} \sqrt{\pi} e^{- \frac{i \pi}{4}} C\left(\frac{\sqrt{2} e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{5}{4}\right)}{16 \Gamma\left(\frac{9}{4}\right)} + \frac{3 \sqrt{2} \sqrt{\pi} e^{- \frac{3 i \pi}{4}} S\left(\frac{\sqrt{2} e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{3}{4}\right)}{8 \Gamma\left(\frac{7}{4}\right)} + \frac{5 \cosh{\left(1 \right)} \Gamma\left(\frac{5}{4}\right)}{8 \Gamma\left(\frac{9}{4}\right)}
=
=
                                               /       pi*I\                                       /       pi*I\           
                                       -pi*I   |       ----|                              -3*pi*I  |       ----|           
                                       ------  |  ___   4  |                              -------  |  ___   4  |           
                           ___   ____    4     |\/ 2 *e    |                  ___   ____     4     |\/ 2 *e    |           
                       5*\/ 2 *\/ pi *e      *C|-----------|*Gamma(5/4)   3*\/ 2 *\/ pi *e       *S|-----------|*Gamma(3/4)
                                               |     ____  |                                       |     ____  |           
5*cosh(1)*Gamma(5/4)                           \   \/ pi   /                                       \   \/ pi   /           
-------------------- - ------------------------------------------------ + -------------------------------------------------
    8*Gamma(9/4)                        16*Gamma(9/4)                                        8*Gamma(7/4)                  
52πeiπ4C(2eiπ4π)Γ(54)16Γ(94)+32πe3iπ4S(2eiπ4π)Γ(34)8Γ(74)+5cosh(1)Γ(54)8Γ(94)- \frac{5 \sqrt{2} \sqrt{\pi} e^{- \frac{i \pi}{4}} C\left(\frac{\sqrt{2} e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{5}{4}\right)}{16 \Gamma\left(\frac{9}{4}\right)} + \frac{3 \sqrt{2} \sqrt{\pi} e^{- \frac{3 i \pi}{4}} S\left(\frac{\sqrt{2} e^{\frac{i \pi}{4}}}{\sqrt{\pi}}\right) \Gamma\left(\frac{3}{4}\right)}{8 \Gamma\left(\frac{7}{4}\right)} + \frac{5 \cosh{\left(1 \right)} \Gamma\left(\frac{5}{4}\right)}{8 \Gamma\left(\frac{9}{4}\right)}
5*cosh(1)*gamma(5/4)/(8*gamma(9/4)) - 5*sqrt(2)*sqrt(pi)*exp(-pi*i/4)*fresnelc(sqrt(2)*exp(pi*i/4)/sqrt(pi))*gamma(5/4)/(16*gamma(9/4)) + 3*sqrt(2)*sqrt(pi)*exp(-3*pi*i/4)*fresnels(sqrt(2)*exp(pi*i/4)/sqrt(pi))*gamma(3/4)/(8*gamma(7/4))
Respuesta numérica [src]
0.577085154275097
0.577085154275097

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