Prove that if n is a positive integer, then n is even if andonly if 7n + 4 is even. Prove that m2= n2if and only if m = n or m = −n.
Prove that if n is a positive integer, then n is even if andonly if 7n + 4 is even. Prove that m2= n2if and only if m = n or m = −n.
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter2: Basic Linear Algebra
Section: Chapter Questions
Problem 15RP
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- Prove that if n is a positive integer, then n is even if andonly if 7n + 4 is even.
- Prove that m2= n2if and only if m = n or m = −n.
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