Find only the rational zeros. x^4 + 9

Thanks!

Printable View

- Mar 19th 2006, 09:14 PMkharris82Rational Zero's problem
Find only the rational zeros. x^4 + 9

Thanks! - Mar 20th 2006, 12:44 AMCaptainBlackQuote:

Originally Posted by**kharris82**

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