Solution
= Solution
If $f$ is meromorphic inside and on a positively oriented simple closed contour $C$, with no pole on $C$, then
$$
\boxed{\oint_Cf(z)\,dz=2\pi i\sum_{a\text{ inside }C}\operatorname{Res}(f,a).}
$$
= Solution
If $f$ is meromorphic inside and on a positively oriented simple closed contour $C$, with no pole on $C$, then
$$
\boxed{\oint_Cf(z)\,dz=2\pi i\sum_{a\text{ inside }C}\operatorname{Res}(f,a).}
$$