
Re: Let Z be a complex number.
Posted:
Oct 27, 2013 9:07 PM


On Sun, 27 Oct 2013, dan.ms.chaos@gmail.com wrote:
> > Are you sure of "> 2"? > > sqr((x + 1)^2 + y^2) > 2 can be rewritten as > ((x + 1)^2 + y^2) > 4 , <=> > x^2 + 2x + 1 +y^2 > 4 <=> > x^2 +2x + y^2 > 3 which is what we've started with. > The same goes for the other relation. What happen to the problem statement? It disappeared and with it's disappearance, poof, no problem!

