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Veva Garcia edited untitled.tex
about 8 years ago
Commit id: 3c6e43f7203ec83886f66f0d7e547a137c22bb40
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\end{align*}
Hence,
$$\int_{c[-2,3]} \frac{dz}{z^2-2z-8}=\frac{-\pi i}{3}$$
By Theorem 4.23 (Cauchy's Theorem): if f is holomorphic in $\mathbb{C}\setminus\left\{-2\right\}$ and $C[0,3] ~\mathbb{C}\setminus\left\{-2\right\} C[-2,3]$
then
$$\int_{c[0,3]} \frac{dz}{z^2-2z-8=\int_{c[-2,3]}\frac{dz}{z^2-2z-8}$$