- #1

screwyshrew

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I([itex]\gamma[/itex], z) = [itex]\frac{1}{2i\pi}[/itex] [itex]\int\gamma \frac{1}{ζ-z}dζ[/itex]

where [itex]\gamma[/itex] : [a, b] → ℂ and z is an arbitrary point not on [itex]\gamma[/itex], what exactly does ζ represent?