If x,x+2,3x−2x, x+2, 3x-2x,x+2,3x−2 are in geometric progression, what are the possible values of xxx?
x=2x = 2x=2
x=1/2x = 1/2x=1/2
x=2,2/3x = 2, 2/3x=2,2/3
x=1,2x = 1, 2x=1,2