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



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Solución

Ha introducido [src]
  oo                             
____                             
\   `                            
 \        n / 2      \           
  \   (-1) *\x *n + 1/           
  /   ----------------*(2*n + 1)!
 /        2*n + 1                
/___,                            
n = 0                            
$$\sum_{n=0}^{\infty} \frac{\left(-1\right)^{n} \left(n x^{2} + 1\right)}{2 n + 1} \left(2 n + 1\right)!$$
Sum((((-1)^n*(x^2*n + 1))/(2*n + 1))*factorial(2*n + 1), (n, 0, oo))
Respuesta [src]
  oo                             
____                             
\   `                            
 \        n /       2\           
  \   (-1) *\1 + n*x /*(1 + 2*n)!
  /   ---------------------------
 /              1 + 2*n          
/___,                            
n = 0                            
$$\sum_{n=0}^{\infty} \frac{\left(-1\right)^{n} \left(n x^{2} + 1\right) \left(2 n + 1\right)!}{2 n + 1}$$
Sum((-1)^n*(1 + n*x^2)*factorial(1 + 2*n)/(1 + 2*n), (n, 0, oo))

    Ejemplos de hallazgo de la suma de la serie