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Posted: **Tue Jul 12, 2022 12:08 pm**

: Determine Dimo Q 2 3 Hint Recall From Exercise 4 I In Section 5 That Q 2 3 Q 2 3 And Check Lemma 4 2 1 (29.49 KiB) Viewed 34 times

Determine dimo(Q[√2+√3]). [Hint: Recall from Exercise 4(i) in Section 5 that Q[√2 + √3] = Q[√2, √3], and check Lemma 4.2.] Lemma 4.2 Let U be a ring, and let S and T be subfields of U with SCT. Assume that dims(T) and dimT(U) are finite. Then dims (U)= dims (T)-dimȚ(U).