roots of a squared polynomial ( complex numbers)

jeudi 3 avril 2014

1. The problem statement, all variables and given/known data



problem in a pic attached



2. Relevant equations







3. The attempt at a solution

i solved i and ii a , when it came to b , i just said that every one of the 3 roots will be squared having 2 roots 1 + and 1 - but then i read the marking schemes ( also attached) , and i got really confused and now i dont know what he wants from me








Publié par style à 11:22
Libellés :

0 commentaires:

Enregistrer un commentaire

Inscription à : Publier les commentaires (Atom)