0 votes 0 votes Given $f(z)=\frac{1}{z+1}-\frac{2}{z+3}$. If $C$ is a counterclockwise path in the z-plane such that $\mid z+1 \mid=1$, the value of $\frac{1}{2\pi j}\oint_cf(z)dz$ is $-2$ $-1$ $1$ $2$ Vector Analysis gate2012-ec vector-analysis + – Milicevic3306 asked Mar 25, 2018 • retagged Feb 26, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 105 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.