Define the relation~on Nby m~ n if and only if the sum of the distinct primes that divide m is the same as the sum of the primes that divide n. For example, 12 primes that divide 12 (2+3) is the same as the sum of the primes that divide 5 (5). 5 since the sum of the Isan equivalence relation? Explain how you know, either providing a counterexample or briefly (not a full proof--examples are fine) explaining how you know~is reflexive, symmetric, and transitive. If ~is an equivalence relation, find a few elements of the following equivalence classes: [0, [1], [7], [15]
Define the relation~on Nby m~ n if and only if the sum of the distinct primes that divide m is the same as the sum of the primes that divide n. For example, 12 primes that divide 12 (2+3) is the same as the sum of the primes that divide 5 (5). 5 since the sum of the Isan equivalence relation? Explain how you know, either providing a counterexample or briefly (not a full proof--examples are fine) explaining how you know~is reflexive, symmetric, and transitive. If ~is an equivalence relation, find a few elements of the following equivalence classes: [0, [1], [7], [15]
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Define the relation∼ on Nby m ∼ n if and only if the sum of the distinct primes that divide m is the same as the sum of the primes that divide n. For example, 12 ∼ 5 since the sum of the primes that divide 12 ( 2 + 3 ) is the same as the sum of the primes that divide 5 ( 5 ).
Is ∼ an equivalence relation? Explain how you know, either providing a counterexample or briefly (not a full proof--examples are fine) explaining how you know ∼ is reflexive, symmetric, and transitive. If ∼is an equivalence relation, find a few elements of the following equivalence classes:
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