October 13–October 19, 2010

Problem

Find all possible values of a such that the polynomials x^2+ax+1 and x^2+x+a have at least one root in common

Solution

here

List of solvers

Peiyush Jain, Crispin Pereira, Mike Goodman, Jonathan Cross, Eric Bensley, Lloyd Sakazaki.

Peiyush Jain wins the prize!