Problem 2. Prove that there are infinitely many positive integer triples (x, y, z) such that x² + 2y² = 3x². Hint. Find an appropriate rational point that will act as a "pivot", much like in the case of classifying Pythagorean triples that we saw in this lecture.
Problem 2. Prove that there are infinitely many positive integer triples (x, y, z) such that x² + 2y² = 3x². Hint. Find an appropriate rational point that will act as a "pivot", much like in the case of classifying Pythagorean triples that we saw in this lecture.
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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Transcribed Image Text:Problem 2. Prove that there are infinitely many positive integer triples (x, y, z) such that
x² + 2y² = 3x².
Hint. Find an appropriate rational point that will act as a “pivot”, much like in the case of
classifying Pythagorean triples that we saw in this lecture.
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