MathDB
Complex Product Nonlinear Equation System

Source: 2012 AIME II Problem 8

March 29, 2012
quadraticscomplex numbersalgebraquadratic formulaAMC

Problem Statement

The complex numbers zz and ww satisfy the system \begin{align*}z+\frac{20i}{w}&=5+i,\\w+\frac{12i}{z}&=-4+10i.\end{align*} Find the smallest possible value of zw2|zw|^2.