Groups and FieldsSuperchallengeField Extensions ShareField Extensions · Superchallenge problemζ=e2πi/8\zeta=e^{2\pi i/8}ζ=e2πi/8 has minimal polynomial x4+1x^4+1x4+1 over Q\mathbb QQ. What is its degree over Q(i)\mathbb Q(i)Q(i)?Check Show answer Walk through it step by step Practice more like this Review this concept