Answered: 30. Let d be a positive integer. Prove…

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Description: Can someone please help me understand the following problem. I need to know how to start the problem. i need to know the theorems ,identities, used please thank you. 30. Let d be a positive integer. Prove that Q[Vd] = {a + bVd |a, b E Q} is a field.

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30. Let d be a positive integer. Prove that Q[Vd] = {a + bVd | a, b E Q} is a field.

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter6: More On Rings

Section6.3: The Characteristic Of A Ring

Problem 18E

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