Find only the rational zeros. x^4 + 9 Thanks!
Follow Math Help Forum on Facebook and Google+
Originally Posted by kharris82 Find only the rational zeros. x^4 + 9 Your problem asks for the rational roots of: This may be rewritten as: . Now as is real is positive which contradicts the equation, so there can be no real roots of , and so there are no rational roots. RonL
View Tag Cloud