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1996 AIME Problems/Problem 3

Revision as of 15:02, 24 September 2007 by 1=2 (talk | contribs) (→‎Problem)

Problem

Find the smallest positive integer $n$ for which the expansion of $(xy-3x+7y-21)^n$, after like terms have been collected, has at least 1996 terms.

Solution

See also

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