Tangent lines to graph of polynomial form a closed polygonal chain
Source: All-Russian 2021/11.2
April 20, 2021
algebrapolynomialfunction
Problem Statement
Let be a nonzero polynomial of degree with nonnegative coefficients such that function is odd. Is that possible thet for some pairwise distinct points on the graph the following conditions hold: tangent to at passes through , tangent to at passes through , , tangent to at passes through ?