4 Find the Laurent expansion of each of the following functions about each of their isolated singularities, and
determine the annulus of convergence of each Laurent series. What is the type of each isolated singularity?
(z-1)^(-3)e^(z)
4 Find the Laurent expansion of each of the following functions about each of their isolated singularities, and determine the annulus of convergence of each Laurent series. What is the type of each isolated singularity?
(z-1)-3ez