1. a. i. Discuss whether or not the following transformation provides conformal mapping throughout the entire z-plane
w = z + 4/z
ii. Find the Bilinear Transformation that map z = 0, -i, -1 onto w = i, 1, 0.
b. Evaluate
i. ā«_C (12z² - 4i) dz along the straight line joining the points (1, 1) and (2, 3).
ii. ā«_C (z - z²) dz where C is the upper half of the circle |z - 2| = 3.