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

(I) (x+z)/y = z/x = x/(z-y)..................2:3:4
(II) 21(x² + y² + z²) = (x + 2y + 4z)^{2   ......}    1:2:4

Posted by Ady TZIDON on 2011-06-15 12:06:40