Paper 3, Section I, 2I2 I

Topics in Analysis
Part II, 2015

Let KK be a compact subset of C\mathbb{C} with path-connected complement. If wKw \notin K and ϵ>0\epsilon>0, show that there is a polynomial PP such that

P(z)1wzϵ\left|P(z)-\frac{1}{w-z}\right| \leqslant \epsilon

for all zKz \in K.