Mathematics desk | ||
---|---|---|
< June 13 | << May | June | Jul >> | June 15 > |
Welcome to the Wikipedia Mathematics Reference Desk Archives |
---|
The page you are currently viewing is an archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
In the following identity, , what does represent? ? Widener (talk) 20:40, 14 June 2012 (UTC)