0 votes 0 votes closed with the note: Solved the confusion Prove with examples:- The set of all rational numbers except 0 are abelian group under multiplication. The set of all real numbers except 0 are closed under abelian group under multiplication. Set Theory & Algebra abelian-group set-theory&algebra + – Shamim Ahmed asked Jan 8, 2019 • closed Jan 8, 2019 by Shamim Ahmed Shamim Ahmed 344 views comment Share Follow See all 0 reply Please log in or register to add a comment.