Groups and FieldsSuperchallengeSplitting Fields and Constructions ShareSplitting Fields and Constructions · Superchallenge problemIs 2+2\sqrt{2+\sqrt2}2+2 (a root of x4−4x2+2x^4-4x^2+2x4−4x2+2) constructible, and what is its degree?AConstructible, degree 222BNot constructible, degree 444CConstructible, degree 444DNot constructible, degree 333Check Show answer Walk through it step by step Practice more like this Review this concept