Function
  
  
    Inequality
  
  
    Intermediate
  
  
  Let real numbers $x$, $y$, and $z$ satisfy $0 < x, y, z < 1$. Prove $$x(1-y)+y(1-z)+z(1-x)< 1$$
 
    
      The solution for this problem is available for 
$0.99.
      You can also purchase a pass for all available solutions for 
$99.