4 ms·
Wolfram Alpha has made even simpler, and (more correct proof) http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-6+%2B+.. http://www.wolframalpha.com/
by antimora 17y ago
Wolfram Alpha has made even simpler, and (more correct proof)
http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-6+%2B+.. http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-....
- tectonic 17y agoWolfram Alpha continues to impress me.
- hyperbovine 17y agoBut not me http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-6+%2B+7.. http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-.... .
- vinutheraj 17y agoAdding a '+' to the end, before the '..' makes it work again, maybe it needs an operand and the '..' to show that it is an infinite series, maybe ! http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-6+%2B+7%2B. http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-....
- antimora 17y agohmmm ... for whatever reasons the link was broken. Trying it again: "http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-6+%2B+... http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-...
- antimora 17y agohere is a PDF snapshot. "http://www.wolframalpha.com/input/pdfGet.jsp?id=MSP55619821efaa27908he00002if937a6faf7b84c&s=31&i=1+-+2+%2B+3+-+4+%2B+5+-+6+%2B+... http://www.wolframalpha.com/input/pdfGet.jsp?id=MSP55619821e...
- zck 17y agoAlthough I'm not a fan of using i in a mathematical formula like this. When I first saw it, it looked like they meant sqrt(-1).