2 votes 2 votes Set Theory & Algebra group-theory combinatory set-theory&algebra + – Rahul Jain25 asked Oct 11, 2016 • retagged Jun 25, 2017 by Arjun Rahul Jain25 893 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments Hradesh patel commented Oct 11, 2016 reply Follow Share i think here use symbol a,b,c so in S : first is I indicate identity element which is alpha1 = a b c a b c but i also doubt here alpha2 and alpha3 how write is??? 0 votes 0 votes mcjoshi commented Oct 11, 2016 reply Follow Share btw Which test series is it? 0 votes 0 votes Rahul Jain25 commented Oct 11, 2016 reply Follow Share It is a a question from The Gate Academy test. 1 votes 1 votes Please log in or register to add a comment.