subtomex0
contestada

Is there any closed form for the following sum:
[tex]\displaystyle\sum_{k=0}^{n} \dfrac{(30-3x)^k}{(n-k)k!}[/tex]
​

Respuesta :

yuzhong885

Answer:

Yes, that's a binomial series. The closed form for this sum is \(\frac{1}{n!}(30-3x)^n e^{3x}\).

Otras preguntas