[‰ß‹ŽÛ¸Þ] •s“™Ž®‚ւ̵‘Ò ‘æ‚TÍ (1001Ú½)
㉺‘OŽŸ1-V
’Šo‰ðœ Ú½žx

‚±‚̽گÄނ͉ߋŽÛ¸Þ‘qŒÉ‚ÉŠi”[‚³‚ê‚Ä‚¢‚Ü‚·¡
ŽŸ½ÚŒŸõ —ðí¨ŽŸ½Ú žxí¨ŽŸ½Ú ‰ß‹ŽÛ¸ÞÒÆ­°
426: 2011/07/17(“ú)18:07:58.81 AAS
‚È‚ç‚ÎA•s“™Ž®‚ÌØ–¾‚ÉŽg‚¦‚é’è΂Ƃâ‚ç‚ð—ñ‹“‚µ‚Ä‚à‚炨‚¤‚©H
434: 2011/07/18(ŒŽ)11:59:43.81 AAS
1. Holder ƒ°a^3/(a+b)^2†(a+b+c)^3/(ƒ°(a+b))^2

2.AM-GM ƒ°(4a^3/(a+b)^2+(a+b)/2+(a+b)/2)†3ƒ°a

3. C.S. (a+b+c)(ƒ°a^3/(a+b)^2)†(ƒ°a^2/(a+b))^2†((a+b+c)/2)^2

4. Jensen
452
(1): 2011/07/21(–Ø)09:53:30.81 AAS
Soient a,b tels que 0<a…1, 0<b…1.
Prouver que : a^{b-a}+b^{a-b}…2.
488: 482 2011/08/06(“y)14:17:02.81 AAS
>>484

“™†¬—§ðŒ‚Í a=b=c=1B

‚ª”²‚¯‚Ä‚½‚È.....

‚Ê‚é‚Û
496: 2011/08/08(ŒŽ)00:04:38.81 AAS
>>494

f(x) = x^m ‚Í’P’²‘‰Á‚ʼnº‚É“ÊB(m†1)
@{p(p+q) + q(q+r) + r(r+p)}/(p+q+r)
@@= {4(p+q+r)^2 + (p-q)^2 + (q-r)^2 + (r-p)^2}/{6(p+q+r)}
@@† (2/3)(p+q+r),

Jensen ‚æ‚è
(¶•Ó) = p¥f(p+q) + q¥f(q+r) + r¥f(r+p)
@@† (p+q+r)¥f({p(p+q) + q(q+r) + r(r+p)}/(p+q+r))@[‰º‚É“Ê]
@@† (p+q+r)¥f((2/3)(p+q+r))@@[’P’²‘‰Á]
@@= (2/3)^m¥(p+q+r)^(m+1),
È1
572
(1): 2011/08/28(“ú)22:28:51.81 AAS
>>571 •â‘«

@xxyy + yyzz + zzxx - xyz(x+y+z) = (1/2){x(y-z)}^2 + (1/2){y(z-x)}^2 + (1/2){z(x-y)}^2 † 0,
574: 2011/08/29(ŒŽ)01:19:05.81 AAS
1/x^4+1/y^4+1/z^4+1/w^4+9/(x^4+y^4+z^4+w^4)
†8/9(1/x^2y^2+1/x^2z^2+1/x^2w^2+1/y^2z^2+1/y^2w^2+1/z^2w^2)

†11/3(x^4+y^4+z^4+w^4)

†25/4xyzw
635: 2011/09/07(…)23:02:48.81 AAS
‚»‚ê‚Á‹Ëc
789
(3): 2011/12/10(“y)05:07:17.81 AAS
xAyAz†0‚ɑ΂µ‚ÄA
x^4Ey + y^4Ez + z^4Ex † x^2Ey^2Ez + y^2Ez^2Ex + z^2Ex^2Ey

( ßÍß)Ì߹ׯÁ®I
801: 2011/12/13(‰Î)09:19:04.81 AAS
>>789
ƒ`ƒFƒrƒVƒFƒt‚É‚æ‚éB

@ƒ°(—‡˜Ï) † ƒ°(‹t‡˜Ï) ‚©‚ç
@x^3 /z + y^3 /x + z^3 /y † x^3 /x + y^3 /y + z^3 /z
@@@= x^2 + y^2 + z^2 † xy + yz + zx,
‚Ü‚½‚Í
@xy=Z, yz=X, zx=Y ‚Æ‚¨‚¢‚Ä
@ƒ°(“¯‡˜Ï) † ƒ°(—‡˜Ï) ‚æ‚è
@x^3 /z + y^3 /x + z^3 /y = YZZ/XX + ZXX/YY + XYY/ZZ
@@† YZZ/ZZ + ZXX/XX + XYY/YY = Y + Z + X = zx + xy + yz,
892: 2012/01/15(“ú)23:37:42.81 AAS
‚¨‚à‚µ‚ë‚¢‚Ë
945: 2012/03/09(‹à)10:49:34.81 AAS
>>944
‚·‚²‚¢I‚ ‚肪‚Æ‚¤‚²‚´‚¢‚Ü‚·A‚¨‰A‚Å‚·‚Á‚«‚肵‚Ü‚µ‚½I
977: 2012/03/27(‰Î)14:20:46.81 AAS
AAÈ
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