0 votes 0 votes Set Theory & Algebra zeal set-theory&algebra binary-operation zeal2019 + – Prince Sindhiya asked Nov 17, 2018 edited Mar 9, 2019 by ajaysoni1924 Prince Sindhiya 358 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Magma commented Nov 17, 2018 reply Follow Share yeah only i) and ii ) satisfied the condition 0 votes 0 votes Deepak Poonia commented Nov 17, 2018 reply Follow Share Only ($ii,iii$) satisfy both the conditions. $2$ is correct answer. 0 votes 0 votes kumar.dilip commented Nov 17, 2018 reply Follow Share @Deepakk Poonia (Dee) Please Explain ??? 0 votes 0 votes Prince Sindhiya commented Nov 18, 2018 reply Follow Share @deepak bro I got the second one and i know I) and 4) are not satisfying But i am not getting iii) m*n=36 n*m =36 so commutative For associativity -m*(n*p)=m*36 (m*n)*p =36*p Then how to proceed next it is said that i *is binary operation on natural numbers 0 votes 0 votes Please log in or register to add a comment.