Tracker Posted November 14, 2008 Share Posted November 14, 2008 How do I go about finding all the solutions to [math]x^4-8x^2+17=0[/math]? Link to comment Share on other sites More sharing options...
timo Posted November 14, 2008 Share Posted November 14, 2008 By realizing that it is a quadratic equation in x² that you probably know how to find all solutions for. Link to comment Share on other sites More sharing options...
hermanntrude Posted November 14, 2008 Share Posted November 14, 2008 there are some other methods for solving polynomials. There's an iterative method which works quite nicely... i just wish i could remember how to use it... Link to comment Share on other sites More sharing options...
Severian Posted November 14, 2008 Share Posted November 14, 2008 You don't need an iterative method for this one - it can be solved exactly in a couple of lines of algebra. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now