Teaching DSSSB TGT Mock Test 2025 Engineering Mathematics Complex Variables Cauchy's Integral Theorem
Let C be the circle of radius 2 with centre at the origin in the complex plane, oriented in the anti-clockwise direction. Then the integral \(\oint_{C} \frac{d z}{(z-1)^{2}}\) is equal to
1
\(\frac{1}{2 \pi i}\)
2
2πi
3
1
4
0