5 2 3 10 1. Let f (z) : + g(z), where g(z) is an entire function. z4 z3 z2 (a) Classify the singularity at z = 0 as a removable singularity, a pole or an essential singularity and if it is a pole, give its order. (b) What is the residue at z = 0, Res(f;0)?

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