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Suma de la serie n^3*(x+4)^(2*n-1)/factorial(n+3)



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Solución

Ha introducido [src]
  oo                   
____                   
\   `                  
 \     3        2*n - 1
  \   n *(x + 4)       
  /   -----------------
 /         (n + 3)!    
/___,                  
n = 1                  
$$\sum_{n=1}^{\infty} \frac{n^{3} \left(x + 4\right)^{2 n - 1}}{\left(n + 3\right)!}$$
Sum((n^3*(x + 4)^(2*n - 1))/factorial(n + 3), (n, 1, oo))
Respuesta [src]
        /                                                                                       /       2\\
        |                4              2   /                  4             6              2\  \(4 + x) /|
        |648 + 12*(4 + x)  + 192*(4 + x)    \-648 - 144*(4 + x)  + 24*(4 + x)  + 456*(4 + x) /*e          |
(4 + x)*|-------------------------------- + --------------------------------------------------------------|
        |                   8                                                 8                           |
        \            (4 + x)                                           (4 + x)                            /
-----------------------------------------------------------------------------------------------------------
                                                     24                                                    
$$\frac{\left(x + 4\right) \left(\frac{12 \left(x + 4\right)^{4} + 192 \left(x + 4\right)^{2} + 648}{\left(x + 4\right)^{8}} + \frac{\left(24 \left(x + 4\right)^{6} - 144 \left(x + 4\right)^{4} + 456 \left(x + 4\right)^{2} - 648\right) e^{\left(x + 4\right)^{2}}}{\left(x + 4\right)^{8}}\right)}{24}$$
(4 + x)*((648 + 12*(4 + x)^4 + 192*(4 + x)^2)/(4 + x)^8 + (-648 - 144*(4 + x)^4 + 24*(4 + x)^6 + 456*(4 + x)^2)*exp((4 + x)^2)/(4 + x)^8)/24

    Ejemplos de hallazgo de la suma de la serie