Problem A. 374. (May 2005)
A. 374. The real numbers x1x2...xn>0 and y1y2...yn>0 satisfy
for all 0<kn. Prove that
(5 pont)
Deadline expired on June 15, 2005.
Statistics:
2 students sent a solution. 5 points: Paulin Roland, Strenner Balázs.
Problems in Mathematics of KöMaL, May 2005