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Which one of the following relations on...

Which one of the following relations on `RR` is an equivalence relation ?

A

`aR_(1)b hArr |a|= |b|`

B

`aR_(2)b hArr a ge b`

C

`aR_(3)b hArr `a divides b

D

`aR_(4)b hArr a - b gt 0 `

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The correct Answer is:
A
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