>>162
（a^4 -a +3)^2 ≧ 3（a^6 +2),
（a^4 -a^3 +1)^3 ≧（a^9 +2)/3,

>>163-164
リ、リンクが無ゑ…
http://artofproblemsolving.com/community/c6h239742s1
_5_lines_for_Turkevicis_inequality