Let Γ={z∈C:z=1,∣Re(z)∣+∣Im(z)∣=1}.
(i) Prove that, for any ζ∈C with ∣Re(ζ)∣+∣Im(ζ)∣>1 and any ϵ>0, there exists a complex polynomial p such that
z∈Γsup∣∣∣p(z)−(z−ζ)−1∣∣∣<ϵ
(ii) Does there exist a sequence of polynomials pn such that pn(z)→(z−1)−1 for every z∈Γ? Justify your answer.