complex analysis

The magnitude of the contour integral $\oint_C \frac{(z+1)^2}{(z-i)(z-2)} dz$ over the contour C: $|z - 2 - i| = 3/2$ is _______ (Round off to two decimal places) Note: z is a comp...

Which one of the following functions is analytic in the region |z| ≤ 1?

The value of the integral \oint_C \frac{z+1}{z^2-4} dz in counter clockwise direction around a circle C of radius 1 with center at the point z = -2 is