Question

Proof that for a polynomial \(p(x)\) of degree n, the polynomial \(x^np(x^{-1})\) has the same root as \(p(x)\).

http://openstudy.com/users/ganeshie8#/updates/55d098fce4b0c5fe9806447a

Answer 1

Secondly, can someone explain the sum of squares of roots of g(x) in the proof linked above?

Answer 2

This question is incorrect. I got the proof now.