Cauchy's Integral Formula Mock Tests

The value of the integral ∮_C cos(z)/z² dz where C is the circle |z| = 2 traversed counterclockwise is

The value of the contour integral ∮_C dz/(z − 1) where C is the square with vertices at ±1 ± i traversed counterclockwise is

The integral ∮_C (z² + 1)/(z − 1) dz where C is the circle |z| = 3 traversed counterclockwise equals

The value of ∮_C e^z/z dz where C is the unit circle |z| = 1 traversed counterclockwise is

The function f(z) = e^(z²) is entire. The value of the contour integral ∮_|z|=1 f(z)/z⁵ dz is