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Let R1 and R2 be two relation defined on...

Let `R_1 and R_2` be two relation defined on R by `aR_1 b:ab ge 0 and aR_2b hArr b ge a , a,b in R` then the correct statement is

A

Both `R_1 and R_2` are equivalence relations

B

`R_1` is equivalence but `R_2` is not

C

`R_2` is equivalence but `R_1` is not

D

Both `R_1 and R_2` are not equivalence relations

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