a relation r is defined on the set z by “a r b if and only if ab> 0” for a,b belong to z examine if r is reflexive Or symmetric Or transitive About the author Valentina
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Explanation:
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ehbememekekejejejdjhdhshajqkdkeoo3293392y44926347927464893748493929292992828383938283847473737373737273474838383838377273