The relation \( R=\{(a, b): \operatorname{gcd}(a, b)=1,2 a \neq b, a, b \in \mathbb{Z}\} \) is :&...

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The relation \( R=\{(a, b): \operatorname{gcd}(a, b)=1,2 a \neq b, a, b \in \mathbb{Z}\} \) is :&...
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