2riz e 1. Let f(z) = z²+i Suppose y₁ is the circle centred at 1 with radius 1, travelled once with positive orientation,

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2riz E 1 Let F Z Z I Suppose Y Is The Circle Centred At 1 With Radius 1 Travelled Once With Positive Orientation 1 (26.13 KiB) Viewed 25 times

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2riz e 1. Let f(z) = z²+i Suppose y₁ is the circle centred at 1 with radius 1, travelled once with positive orientation, and Y2 is the circle centred at 2i with radius 1, travelled once with positive orientation. (1a) (5 points) Find all isolated singularities of f(z), and determine their types. (1b) (5 points) Compute S. f(z)dz. f(z)dz and - Y₂