SOLUTION: 1+1/4+1/9+1/16+........................=?

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Question 625854: 1+1/4+1/9+1/16+........................=?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
That's the famous Besel problem. The proof is found
in lots of places. The infinite sum is pi%5E2%2F6