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1. Consider the function f(z) = f(x +iy) = 2x +iry. (a) Where is f C-differentiable? (b) In the points where f C-differentiable, find the

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1. Consider the function f(z) = f(x +iy) = 2x +iry. (a) Where is f C-differentiable? (b) In the points where f C-differentiable, find the values of f'. (c) Briefly explain why f is not holomorphic at any points in C. Are there any holomorphic functions with the same imaginary part as f

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