What is the domain of f(x)=ln(ln(x−1))f(x) = \ln(\ln(x-1))f(x)=ln(ln(x−1))?
(1,∞)(1, \infty)(1,∞)
(2,∞)(2, \infty)(2,∞)
(1+e,∞)(1+e, \infty)(1+e,∞)
(0,1)(0, 1)(0,1)