八(10%) Given， find u and y such that f(a)=u(x,y)+iv(x,y); determine where fis differentiable and where fis not.
阿摩線上測驗
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阿摩線上測驗
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， find u and y such that f(a)=u(x,y)+iv(x,y); determine where fis differentiable and where fis not.