Homework #9

• Read Chapter 9.
• Do Exercise 1 in Chapter 9.
• Do Exercise 2. As a hint, you should consider the winding number of the curve defined by f(x) with z restricted to one side of a period parallelogram.
• Do Exercise 3. You need only prove the second displayed formula. As a hint, consider the sum as a Riemann sum for the integral of a power of r, the radius in polar coordinates.