# Thread: Analytic function with real part

1. ## Analytic function with real part

I'm a bit stuck with this question

Find one analytic function with real part u(x,y)= x^2-y^2-y as a function f(z) of a single complex variable z

2. ## Re: Analytic function with real part

Use the Cauchy Riemann equations to find the imaginary part v(x, y) of such an f(z).

### analytic function from real part

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