What is the result of f(2)f(2)f(2) if f(n)=f(n−1)−f(n−2)f(n) = f(n-1) - f(n-2)f(n)=f(n−1)−f(n−2) with f(0)=1,f(1)=1f(0) = 1, f(1) = 1f(0)=1,f(1)=1?
000
111
222
−1-1−1