In Z[√ 2] = {a + b√ 2 | a, b∈ Z}, show that every element of theform (3 + 2√ 2)n is a unit, where n is a positive integer.
In Z[√ 2] = {a + b√ 2 | a, b∈ Z}, show that every element of theform (3 + 2√ 2)n is a unit, where n is a positive integer.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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In Z[√ 2] = {a + b√ 2 | a, b∈ Z}, show that every element of the
form (3 + 2√ 2)n is a unit, where n is a positive integer.
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