Question 215540
(1-(1/x))/(1-(1/(1-(1/x))))=0
(x-1/x)/(1-(1/((x-1)/x))=0
(x-1)/x(1-(x/x-1))=0
(x-1)/x((x-1-x)/(x-1))=0
((x-1)(x-1))/-x=0
 x-1=0  ;x-1=0
x=1;x=1