Theory of cubic equation question

In summary, Dick states that x^3-4x^2+x-1=0 has roots x^2, and x=sqrt y when y=x^2. He then solves for x by substituting y into the original equation and solving for x. Homework Statement Find the equation who roots are the squares of the roots of the equation x^3-4x^2+x-1=0is the answer x^3-16x^2+x+1=0
  • #36
looooooool OKAY HERE IT IS x^3 -14x^2-7x-1 = 0!
 
Physics news on Phys.org
  • #37
lionely said:
looooooool OKAY HERE IT IS x^3 -14x^2-7x-1 = 0!

GREAT!:biggrin:
 

Similar threads

Replies
12
Views
2K
Replies
4
Views
3K
Replies
13
Views
1K
Replies
8
Views
726
Replies
13
Views
2K
Replies
26
Views
3K
Back
Top