2 ___ (x - 1) < \/ 2 *(x - 1)
(x - 1)^2 < sqrt(2)*(x - 1)
/ ___\ And\1 < x, x < 1 + \/ 2 /
(1 < x)∧(x < 1 + sqrt(2))
___ (1, 1 + \/ 2 )
x in Interval.open(1, 1 + sqrt(2))