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Answer the following as indicated. 1. Give a counterexample to the statement "If n is an integer and n? is divisible by 4, then n is divisible by 4." 2. Prove or disprove: For all integers a and b, if alb and bla then a=b.

Answer the following as indicated. 1. Give a counterexample to the statement "If n is an integer and n? is divisible by 4, then n is divisible by 4." 2. Prove or disprove: For all integers a and b, if alb and bla then a=b.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Answer the following as indicated. 1. Give a counterexample to the statement "If n is an integer and n2 is divisible by 4, thenn is divisible by 4." 2. Prove or disprove: For all integers a and b, if alb and bla then a=b.
Transcribed Image Text:Answer the following as indicated. 1. Give a counterexample to the statement "If n is an integer and n2 is divisible by 4, thenn is divisible by 4." 2. Prove or disprove: For all integers a and b, if alb and bla then a=b.
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