Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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Problem A. 426. (April 2007)

A. 426. For arbitrary positive numbers a, b, c, compute the radius of the greatest circle contained by the ellipsoid


Czech competition problem

(5 pont)

Deadline expired on May 15, 2007.


8 students sent a solution.
5 points:Gyenizse Gergő, Kisfaludi-Bak Sándor, Lovász László Miklós, Nagy 224 Csaba, Tomon István.
2 points:2 students.
Unfair, not evaluated:1 solution.

Problems in Mathematics of KöMaL, April 2007