17/07/16 11:36:46.53 kYKIO7xV.net
>>77 追加
a,b,c≧0、a^2 + b^2 + c^2 + abc = 4のとき、
(6) (a+b)^(1/2) + (b+c)^(1/3) + (c+a)^(1/4) < 4
(7) 4(ab+bc+ca?abc) ≧ (a^2b+c)(b^2c+a)(c^2a+b)
(6) URLﾘﾝｸ(math.stackexchange.com)
(7) URLﾘﾝｸ(math.stackexchange.com)
17/07/16 11:36:46.53 kYKIO7xV.net
>>77 追加
a,b,c≧0、a^2 + b^2 + c^2 + abc = 4のとき、
(6) (a+b)^(1/2) + (b+c)^(1/3) + (c+a)^(1/4) < 4
(7) 4(ab+bc+ca?abc) ≧ (a^2b+c)(b^2c+a)(c^2a+b)
(6) URLﾘﾝｸ(math.stackexchange.com)
(7) URLﾘﾝｸ(math.stackexchange.com)