Complex Analysis: Theory and Applications · Problem 8.7.5

Conformal Mapping — Howell & Matthews

Mathematics — Complex Analysis · rouche-theorem

Problem

Let g(z)=z5+6z2+2z+1g(z) = z^5 + 6z^2 + 2z + 1. (a) Show that there are two zeros in D1(0)D_1(0). (b) Show that there are five zeros in D2(0)D_2(0).

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