http://www.maa.org/news/howeulerdidit.html" "[URL [Broken] [/URL] I found a nice solution to the Basel problem on the internet which I am liking very much. It deals with derivatives and integrals and appears to be a much more solid solution to the Basel problem than Euler's original solution. There is just one thing I am having trouble with to understand the solution. I think it is just me being an idiot but I can't understand the end of the second page, It sounds like garble and I don't get the logic. Can someone explain to me? Thanks!!