_______ _________ _______ \/ x + 2 - \/ 2*x - 1 < \/ x - 2
sqrt(x + 2) - sqrt(2*x - 1) < sqrt(x - 2)
____ \/ 17 (------, oo) 2
x in Interval.open(sqrt(17)/2, oo)
/ ____ \ |\/ 17 | And|------ < x, x < oo| \ 2 /
(x < oo)∧(sqrt(17)/2 < x)