document.write( "Question 625854: 1+1/4+1/9+1/16+........................=? \n" ); document.write( "
Algebra.Com's Answer #393840 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
That's the famous Besel problem. The proof is found
\n" ); document.write( "in lots of places. The infinite sum is \"pi%5E2%2F6\"
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