a. Prove by contraposition: For all positive integers n, r. and s, if
(Hint: Use Theorem T27 in Appendix A.)
b. Prove: For each integer
(b). The results of exercise 31 provide a way to test whether an integer is prime.
Test for Primality
Given an integer
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Chapter 4 Solutions
Discrete Mathematics With Applications
- Elements Of Modern AlgebraAlgebraISBN:9781285463230Author:Gilbert, Linda, JimmiePublisher:Cengage Learning,College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning