If f(x)=1xf(x) = \frac{1}{x}f(x)=x1, find ∑k=1100ak\sum_{k=1}^{100} a_k∑k=1100ak where a1=2a_1 = 2a1=2 and an+1=f(an)a_{n+1} = f(a_n)an+1=f(an).
75.575.575.5
757575
50.550.550.5
100100100