Difference between revisions of "User talk:5849206328x"
5849206328x (talk | contribs) m (New page: -I lost) |
5849206328x (talk | contribs) m |
||
| Line 1: | Line 1: | ||
| − | + | (3/5) Determine all ordered pairs <math>(x,y)</math> of nonnegative integers such that <cmath>\sum_{i=1}^{x}i! = 3^y</cmath> | |
Revision as of 18:20, 13 April 2009
(3/5) Determine all ordered pairs 
of nonnegative integers such that ![\[\sum_{i=1}^{x}i! = 3^y\]](http://latex.artofproblemsolving.com/5/b/3/5b34ddfb0615aa89a9b36926ac1861253647dd18.png)
