MathDB
Problems
Contests
National and Regional Contests
Netherlands Contests
Dutch Mathematical Olympiad
1990 Dutch Mathematical Olympiad
1
1
Part of
1990 Dutch Mathematical Olympiad
Problems
(1)
inequality in integers
Source: Netherlands 1990
6/27/2009
Prove that for every integer n>1, 1 \cdot 3 \cdot 5 \cdot ... \cdot (2n\minus{}1)
inequalities