Difference between revisions of "2004 AIME I Problems/Problem 12"

 
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== Solution ==
 
== Solution ==
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{{solution}}
  
 
== See also ==
 
== See also ==
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* [[2004 AIME I Problems/Problem 11| Previous problem]]
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* [[2004 AIME I Problems/Problem 13| Next problem]]
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* [[2004 AIME I Problems]]
 
* [[2004 AIME I Problems]]

Revision as of 02:45, 6 November 2006

Problem

Let $S$ be the set of ordered pairs $(x, y)$ such that $0 < x \le 1, 0<y\le 1,$ and $\left[\log_2{\left(\frac 1x\right)}\right]$ and $\left[\log_5{\left(\frac 1y\right)}\right]$ are both even. Given that the area of the graph of $S$ is $m/n,$ where $m$ and $n$ are relatively prime positive integers, find $m+n.$ The notation $[z]$ denotes the greatest integer that is less than or equal to $z.$

Solution

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See also