Question 73
$$
\begin{cases} (x+y)(1+xy) + (x-y)^2 = 2, \\ x^3 + y^3 = 1. \end{cases}
$$
\begin{cases} (x+y)(1+xy) + (x-y)^2 = 2, \\ x^3 + y^3 = 1. \end{cases}
$$
MathNet 2012 Question 73
Math Olympiad Vault · MathNet 2012
Math Olympiad Vault · MathNet 2012