## Prove that Z[√2]/(3+√2)\mathbb{Z}[\sqrt 2]/(3+\sqrt 2) isomorphic to Z7\mathbb{Z}_7 [closed]

Closed. This question does not meet Mathematics Stack Exchange guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Mathematics Stack Exchange. Closed 2 years ago. Improve this question I am really stuck here, could you please give an insight or show the proof step by … Read more