1990 OIM Problems/Problem 6
Problem
Let be a polynomial of degree 3 with rational coefficients. Prove that if the graph of is tangent to the x-axis, then has its 3 rational roots.
~translated into English by Tomas Diaz. ~orders@tomasdiaz.com
Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it.