Find the number of distinct real solutions of the equation `f(f(f(x))=0`, where `f(x)=x^2-1`

If f(x)=2x^(3)-3x^(2)+1 then number of distinct real solution (s) of the equation f(f(x))=0 is/(are) k then (7k)/(10^(2)) is equal to_______

If f(x)=2x^(3)-3x^(2)+1 then number of distinct real solution(s) of the equation f(f(x))=0 is(are) k then (7k)/(10^(2)) is equal to

If f(x)=2x^(3)-3x^(2)+1 then number of distinct real solution (s) of the equation f(f(x))=0 is/(are) k then (7k)/(10^(2)) is equal to_______

Let f (x) = x^(2)+10x+20. Find the number of real solution of the equation f (f (f (f(x))))=0

Let f (x) = x^(2)+10x+20. Find the number of real solution of the equation f (f (f (f(x))))=0

If f(x)=x^(3)-3x+1, then the number of distinct real roots of the equation f(f(x))=0 is

Let f (x)= x^3 -3x+1. Find the number of different real solution of the equation f (f(x) =0

Let f (x)= x^3 -3x+1. Find the number of different real solution of the equation f (f(x) =0

For the real number x, let f (x)=(1)/( ""^(2011sqrt(1-x^(2011)))). Find the number of real roots of the equation f(f (.....(f(x)).....)= ({-x} where f is applies 2013 times and {.} denotes fractional part function.