19. Prove that for each integer a, 3 divides (a + 23a). Hint: sing Theorem 3 0g and tehnia
19. Prove that for each integer a, 3 divides (a + 23a). Hint: sing Theorem 3 0g and tehnia
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 27E
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![Problem 3.5.19. Prove that for each integer a, 3 divides (a + 23a). Hint: You can simplify your
argument by using Theorem 3.28 and techniques similar to those we used in elass on Exercise
3.5.16.
Proof.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0af88aa9-8e34-4221-a89e-ac14701d0162%2F1d569f43-4a12-4804-a014-fec62cef56e1%2Fd23pa5j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem 3.5.19. Prove that for each integer a, 3 divides (a + 23a). Hint: You can simplify your
argument by using Theorem 3.28 and techniques similar to those we used in elass on Exercise
3.5.16.
Proof.
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