ii . 2ez 511] z :1) Find all the singularities of z} (including at on) and classify their type. fie, removable singularity?I pole? essential singularity?) 3. Suppose z} : [12 Marks] b} Find the residues of each of the singularities. c) Calculate I3 = z} dz . Give a numerical approximation to your answer. |3|=4