If $f(x)=\frac{1}{1-x}(x≠1)$, then $f(f(f(x)))$ is
Answer & explanation
Correct answer: option 3
$f(x)=\frac{1}{1-x}, f(f(x))=\frac{x-1}{x}$ and $f(f(f(x)))=x$
If $f(x)=\frac{1}{1-x}(x≠1)$, then $f(f(f(x)))$ is
Correct answer: option 3
$f(x)=\frac{1}{1-x}, f(f(x))=\frac{x-1}{x}$ and $f(f(f(x)))=x$