If x,y,zx, y, zx,y,z are in geometric progression, what is x2+y2+z2x^2 + y^2 + z^2x2+y2+z2 if x+y+z=1x+y+z=1x+y+z=1 and xy+yz+zx=0xy+yz+zx=0xy+yz+zx=0?
000
111
222
333