Given f(x)=11−xf(x) = \frac{1}{1-x}f(x)=1−x1, evaluate f(f(f(x)))f(f(f(x)))f(f(f(x))) for x≠0,1x \neq 0, 1x=0,1.
1/(1-x)
(x-1)/x
x
1-x