1. The problem statement, all variables and given/known data 2. Find the formulae as in (3.4.1) for each of the following: (a) the rotation of angle π/2 about the point i ; 2. Relevant equations The equation 3.4.1 is given below. ## f(z) → z*a + b ## where a, b and z are all complex numbers 3. The attempt at a solution I have attached my attempt at the solution but my solution is wrong!!