System
Source: AIME 2008II Problem 14
April 3, 2008
trigonometrycalculusderivativegeometrycircumcirclefunctionconics
Problem Statement
Let and be positive real numbers with . Let be the maximum possible value of for which the system of equations
a^2\plus{}y^2\equal{}b^2\plus{}x^2\equal{}(a\minus{}x)^2\plus{}(b\minus{}y)^2has a solution in satisfying and . Then can be expressed as a fraction , where and are relatively prime positive integers. Find m\plus{}n.