Teaching DSSSB TGT Mock Test 2025 Engineering Mathematics Complex Variables Cauchy's Integral Theorem
Let C be the counter-clockwise oriented circle of radius \(\frac{1}{2}\) centred at \(i = \sqrt{-1}\). Then the value of the contour integral \(\oint_{C} \frac{d z}{z^{4}-1}\) is
1
-π/2
2
π/2
3
-π
4
π