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# Is x^4 + y^4 > z^4 1. x^2 + y^2 > z^2 2. x + y > z

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Senior Manager
Joined: 05 Oct 2008
Posts: 263
Is x^4 + y^4 > z^4 1. x^2 + y^2 > z^2 2. x + y > z [#permalink]

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19 Nov 2008, 03:29
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Is x^4 + y^4 > z^4
1. x^2 + y^2 > z^2
2. x + y > z
Manager
Joined: 15 Apr 2008
Posts: 161
Re: no properties [#permalink]

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19 Nov 2008, 06:53
I am confused as very little information is given in the question stem.
if i take positive or fraction figures for for x, y and z then B looks sufficient but if I take negative figures then I get answer E

Finally i ill go with E
what is the OA?
Manager
Joined: 23 Jul 2008
Posts: 189
Re: no properties [#permalink]

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19 Nov 2008, 09:42
I will also go with E
Re: no properties   [#permalink] 19 Nov 2008, 09:42
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# Is x^4 + y^4 > z^4 1. x^2 + y^2 > z^2 2. x + y > z

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