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5.) Which are binary aporatlians? Explain aho or why not? a) Onthe positive intrgers tha is, bj On 2", a ba al 9. %3D On Q ,a* b= o b On Z. otbe obtl Extro Haw s mathe matis incorpereted inth

5.) Which are binary aporatlians? Explain aho or why not? a) Onthe positive intrgers tha is, bj On 2", a ba al 9. %3D On Q ,a* b= o b On Z. otbe obtl Extro Haw s mathe matis incorpereted inth

Advanced Engineering Mathematics
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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5.) Which are binary aperatlions? Emplain aha ar nhy not? a) Onthe positive 2) 9. ) On Z 1.) On Q , a* b= o-b 山 On Z Extro: How is mathte matis incorpacated in Hhis shape?
Transcribed Image Text:5.) Which are binary aperatlions? Emplain aha ar nhy not? a) Onthe positive 2) 9. ) On Z 1.) On Q , a* b= o-b 山 On Z Extro: How is mathte matis incorpacated in Hhis shape?
Expert Solution
Definition.

An operation (*) defined on a set A is a binary operation if for a given elements a, b lies in A then a*b also lies in A.

Mathematically, we can say that it's a form of closure property.

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