Difference between revisions of "AoPS Wiki:Problem of the Day/September 6, 2011"
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Latest revision as of 08:23, 7 September 2011
The integers 
satisfy 
and
![\[a + b + c + d = 2048 \ \textrm{ and }\ a^2 - b^2 + c^2 - d^2 = 2048.\]](http://latex.artofproblemsolving.com/0/f/c/0fc80cc458ea97a1248d30fc5778b0b6d9ff739c.png)
Find the smallest possible value of 
.
