4. Suppose that a₁,..., am are integers, not all 0, and let d = gcd(a₁,...,am). Show that dZ = a₁Z+a₂Z+...+amZ = {a₁u₁ +...+amum | uj € Z,1 ≤ j ≤ m}.
4. Suppose that a₁,..., am are integers, not all 0, and let d = gcd(a₁,...,am). Show that dZ = a₁Z+a₂Z+...+amZ = {a₁u₁ +...+amum | uj € Z,1 ≤ j ≤ m}.
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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