52nd Polish Mathematical Olympiad Problems 2001
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Polish Mathematical Olympiad
52nd Polish Mathematical Olympiad Problems 2001A1. Show that x1 + 2x2 + 3x3 + ... + nxn ≤ ½n(n-1) + x1 + x22 + x33 + ... + xnn for all non-negative reals xi. A2. P is a point inside a regular tetrahedron with
Friday, September 17, 2010
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