Question: Consider a binary relation R defined on Z{0} where ab when ab>0. 1. Show that this relation is an equivalence relation. 2. What are the

$Consider a binary relation R defined on Z\{0} where ab when$

Consider a binary relation R defined on Z\{0} where ab when ab>0. 1. Show that this relation is an equivalence relation. 2. What are the equivalence classes under this relation

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