MathDB
Putnam 1940 A6

Source: Putnam 1940

February 22, 2022
Putnamalgebrapolynomial

Problem Statement

Let f(x)f(x) be a polynomial of degree nn such that f(x)pf(x)^{p} is divisible by f(x)qf'(x)^{q} for some positive integers p,qp,q. Prove that f(x)f(x) is divisible by f(x)f'(x) and that f(x)f(x) has a single root of multiplicity nn.