b) Decide whether the following are true or false giving a proof or cour terexample as appropriate. (i) For all a, n, m E Z. If a | n and a | m then a | (n + m). (ii) For all a, b, n, m E Z. If a |n and b | m then (a + b) | (n +m).
b) Decide whether the following are true or false giving a proof or cour terexample as appropriate. (i) For all a, n, m E Z. If a | n and a | m then a | (n + m). (ii) For all a, b, n, m E Z. If a |n and b | m then (a + b) | (n +m).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 56E
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