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Suma de la serie ln^n*x:n+3



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Solución

Ha introducido [src]
  oo               
____               
\   `              
 \    /   n       \
  \   |log (x)    |
  /   |------- + 3|
 /    \   n       /
/___,              
n = 1              
$$\sum_{n=1}^{\infty} \left(3 + \frac{\log{\left(x \right)}^{n}}{n}\right)$$
Sum(log(x)^n/n + 3, (n, 1, oo))
Respuesta [src]
     //                         /      -1       \\
     ||-log(1 - log(x))  for And\x >= e  , x < E/|
     ||                                          |
     ||   oo                                     |
     || ____                                     |
     || \   `                                    |
oo + |<  \       n                               |
     ||   \   log (x)                            |
     ||   /   -------           otherwise        |
     ||  /       n                               |
     || /___,                                    |
     || n = 1                                    |
     \\                                          /
$$\begin{cases} - \log{\left(1 - \log{\left(x \right)} \right)} & \text{for}\: x \geq e^{-1} \wedge x < e \\\sum_{n=1}^{\infty} \frac{\log{\left(x \right)}^{n}}{n} & \text{otherwise} \end{cases} + \infty$$
oo + Piecewise((-log(1 - log(x)), (x < E)∧(x >= exp(-1))), (Sum(log(x)^n/n, (n, 1, oo)), True))

    Ejemplos de hallazgo de la suma de la serie