Difference between revisions of "1996 AIME Problems/Problem 3"
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== Problem == | == Problem == | ||
| + | Find the smallest positive integer <math>n</math> for which the expansion of <math>(xy-3x+7y-21)^n</math>, after like terms have been collected, has at least 1996 terms. | ||
== Solution == | == Solution == | ||
Revision as of 14:02, 24 September 2007
Problem
Find the smallest positive integer 
for which the expansion of 
, after like terms have been collected, has at least 1996 terms.
