Question

If f(x)=
then find value of f(f(f(f(1))))
x​

Answer 1

f(x)=x n f (x) =1 f 1 (x)=nx n-1 f ( 1 ) = n

f 2 ( x ) = n ( n- 1 x n-2 f 2 (1) = n (n - 1