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Ratio Resolution (Posted on 2011-06-15) Difficulty: 2 of 5
Each of x, y and z is a positive real number.

Determine the ratio x:y:z in each of the following equations.

(I) (x+z)/y = z/x = x/(z-y)

(II) 21(x2 + y2 + z2) = (x + 2y + 4z)2

No Solution Yet Submitted by K Sengupta    
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re(3): answers only- spoiler | Comment 5 of 6 |
(In reply to re(2): answers only- spoiler by broll)

How was it possible to justify the setting of y=2x?
  Posted by Charlie on 2011-06-21 03:05:24

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