Sum of the series Σ(3n+2)/n

[Michael_0039]

Homework Statement

Find the sum of the series Σ((3n+2)/n!)

Relevant Equations

nil

Hi,
this is my try:

Thanks.

 

[mfb]

Looks good. You could have added a first step: $\displaystyle \sum_{i=0}^\infty \frac{3n}{n!} = \sum_{i=1}^\infty \frac{3n}{n!}$ as 3*0=0.

(formula written with LaTeX)