Problem A. 447. (February 2008)
A. 447. Prove that the inequality is true for all real numbers a1,a2,...,an.
(5 pont)
Deadline expired on March 17, 2008.
Solution.
Statistics:
7 students sent a solution. 5 points: Blázsik Zoltán, Lovász László Miklós, Nagy 235 János, Nagy 314 Dániel, Tomon István, Wolosz János. 0 point: 1 student.
Problems in Mathematics of KöMaL, February 2008