Let f(z) = u(x, y)+iv(x, y) be a holomorphic function on C. If u(x, y) = v(x, y) for all x and y, then prove that f is constant on C. Make sure to fully justify.

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Let f(z) = u(x, y)+iv(x, y) be a holomorphic function on C. If u(x, y) = v(x, y)
for all x and y, then prove that f is constant on C. Make sure to fully
justify.
Transcribed Image Text:Let f(z) = u(x, y)+iv(x, y) be a holomorphic function on C. If u(x, y) = v(x, y) for all x and y, then prove that f is constant on C. Make sure to fully justify.
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