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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2011-06-06 03:41:35

tony123
Member
Registered: 2007-08-03
Posts: 228

positive real numbers

if x,y,w,z positive real numbers

  show that

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#2 2011-06-06 04:28:36

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: positive real numbers

Hi tony123;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#3 2011-06-06 04:34:29

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: positive real numbers

Hi tony123,


"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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