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



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Solución

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

    Ejemplos de hallazgo de la suma de la serie