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baleanuAR
Euclid
Posts: 28
Joined: Sun Mar 01, 2009 7:47 pm
Location: Motru, Gorj

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Post by baleanuAR »

Fie \( n\geq 2 \) un numar natural. Sa se determine numerele reale \( a_1,a_2,...,a_n\in(1,\infty) \) stiind ca \( a_1a_2\cdot...\cdot a_n=2^n \) si:

\( \log_{a_{1}}{(a_1-1)}+\log_{a_{2}}{(a_2-1)}+...+\log_{a_{n}}{(a_n-1)}=0 \)


Gazeta Matematica- Dan Seclaman si Lucian Tutescu
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Radu Titiu
Thales
Posts: 155
Joined: Fri Sep 28, 2007 5:05 pm
Location: Mures \Bucuresti

Post by Radu Titiu »

Am inchis acest topic deoarece inca se pot trimite solutii la redactia GM.Va rog sa nu mai postati astfel de probleme.
A mathematician is a machine for turning coffee into theorems.
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