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## Homework Statement

I have a question involving the sum of a series. I have already worked out a series, and the equation for a term in the series is:

((ln a)^n)/n!

a is just a variable, and n is the position in the sequence

a variation is:

(ln a)*((ln a)^(n-1))/n!

How would I start writing an equation for the sum of the series?

## The Attempt at a Solution

I tried using the variation and treating it as a geometric series, with (ln a) as the first term, but that didn't work, for obvious reasons, since the second part isn't exactly the difference/scalar