Determine which of the folowing relations R on Z are oquivaknee relatinns. If R is not an equivakner relation, explain why. (a) a Rb if and only if ab>0 (b) aRb if and only if lal - M- (e) aRA if and only if ab > 0. (4) aR if and only if la

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Determine which of the folowing relations R on Z are oequivakne relationa.
If R is not an equivakenee relation, explain why.
(a) a Rb if and only if a-b>0.
(b) a Rb if and only if lel – M-
(e) aRb if and only if ab >0.
(4) aRb if and only if la <1.
Transcribed Image Text:Determine which of the folowing relations R on Z are oequivakne relationa. If R is not an equivakenee relation, explain why. (a) a Rb if and only if a-b>0. (b) a Rb if and only if lel – M- (e) aRb if and only if ab >0. (4) aRb if and only if la <1.
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