Difference between revisions of "2005 AIME I Problems/Problem 13"
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== Solution == | == Solution == | ||
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== See also == | == See also == | ||
+ | * [[2005 AIME I Problems/Problem 12 | Previous problem]] | ||
+ | * [[2005 AIME I Problems/Problem 14 | Next problem]] | ||
* [[2005 AIME I Problems]] | * [[2005 AIME I Problems]] | ||
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+ | [[Category:Intermediate Combinatorics Problems]] |
Revision as of 18:49, 17 October 2006
Problem
A particle moves in the Cartesian Plane according to the following rules:
- From any lattice point the particle may only move to or
- There are no right angle turns in the particle's path.
How many different paths can the particle take from to ?
Solution
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