Could someone correct this for me please?Not sure if I went about it right at all!
Determine the sum of the series
What I did so far was:
The partial sum:
(I don't really know why I did this to be honest, I was mostly copying a similar sum from the book, so more than likely gone wrong with that line)
So...did I go completely wrong??Or where do I go from here to prove it's convergent and what is??
Thanks for your help guys!!