What are the necessary and sufficient conditions on the minimal polynomial of such that , for some

I have some ideas about relating the minimal polynomial of , but nothing that looks promising yet

Thanks.

- Apr 29th 2010, 10:24 AMverdiConditions on min poly of theta such that theta =phi^2, phi in Q(theta)
What are the necessary and sufficient conditions on the minimal polynomial of such that , for some

I have some ideas about relating the minimal polynomial of , but nothing that looks promising yet

Thanks.