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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Shashi ranjan sinha Best Answer
let R be integral domain. suppose there exist a nonzero, non unit element "u" in R such that it satisfies the property : - for each element x in R , there exist an element r in R such that x - r is divisible by u, where r must be either zero or unit. Then u is called universal side divisior of R