Problem B. 4753. (December 2015)
B. 4753. Prove that \(\displaystyle \sqrt{2x \sqrt{(2x+1) \sqrt{(2x+2) \sqrt{2x+3}}}} < \frac{15x+6}{8}\) for all \(\displaystyle x>0\).
Proposed by I. Deák, Székelyudvarhely
(5 pont)
Deadline expired on 11 January 2016.
Statistics:
153 students sent a solution.  
5 points:  85 students. 
4 points:  44 students. 
3 points:  11 students. 
2 points:  8 students. 
1 point:  3 students. 
0 point:  1 student. 
Unfair, not evaluated:  1 solution. 
