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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: Easy Ineq
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[Post New]21 Mar 2008 14:21:45 IST
    Subject: Re:Easy Ineq
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pardesi (570)

Scorching goIITian

Olaaa!! Perrrfect answer. 106  [126 rates]
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THIS FORUM NEEDS TO BE LaTeX Enabled...why isn't it there The image ?http://www.mathlinks.ro/images/smiles/huh.gif? cannot be displayed, because it contains errors.
ok coming to the question set 1/x=a 1/y=b,1/z=c
so we have x+y+z=1
we have by am-gm
(x+y)(y+z)(z+x)>= 8xyz
so (1-z)(1-y)(1-x)>=8xyz
dividing by xyz we get
(a-1) (b-1)(c-1)8
KVS
EP@IITM
Godav,IITM
 this reply: 25 points  (with 5 Olaaa!! Perrrfect answer.   in 5 votes )   [?]
 
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