"Prove that the relation `R` on `Z` defined by `(a ,\ b) in RhArr` `a-b` is divisible by 5 is an
Channel: Doubtnut
Date: 2020-07-05

"Prove that the relation `R`
 on `Z`
 defined by `(a ,\ b) in RhArr`
 `a-b`
 is divisible by 5 is an equivalence relation on `Z`
 ."