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Mathematics, 18.07.2019 02:30 sadiejane1125

Define a relation r on r x r by (a, b)r(c, d) if and only if ad = bc for any (a, b), (c, d) ? r x r. (b) describe, in set-builder notation, the equivalence class [(1, 1)] under this relation r on r x r.

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Define a relation r on r x r by (a, b)r(c, d) if and only if ad = bc for any (a, b), (c, d) ? r x r...

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