16. Given an odd integer a, establish that a² + (a + 2)²+(a + 4)² + 1 is divisible by 12.
16. Given an odd integer a, establish that a² + (a + 2)²+(a + 4)² + 1 is divisible by 12.
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:16. Given an odd integer a, establish that
a² + (a + 2)²+(a + 4)² + 1
is divisible by 12.
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