6 problems.
- \(z_1,z_2,z_3\) form an equilateral triangle iff \(z_1^2+z_2^2+z_3^2=z_1z_2+z_2z_3+z_3z_1\) — Problem 1
- Area of the image of a disk under a univalent function — Problem 2
- Arc-integral limit at infinity in a sector
- Evaluate an oscillatory power of tangent
- Locate the zeros of \(2z^5+8z-1\) in two disks
- Cauchy’s integral formula for an exterior region — Problem 6