So, alpha squared is in K, whatever is our potential splitting field contains i and it contains i plus 1 plus i over root 2. So, 1 plus i by root 2 is there, i is in there; that means, 1 plus i is also there right because say K certainly contains Q.
i, Kல் உள்ளது. எனவே, 1 பிளஸ் i, Kல் உள்ளது.