2 votes 2 votes is there is some easy way to do this question Set Theory & Algebra discrete-mathematics set-theory&algebra + – nikkey123 asked Nov 19, 2017 nikkey123 278 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Shubhanshu commented Nov 19, 2017 reply Follow Share Is it a?? 0 votes 0 votes nikkey123 commented Nov 19, 2017 reply Follow Share yes it is can u explain ur method 0 votes 0 votes Shubhanshu commented Nov 19, 2017 reply Follow Share There is a cycle from x to y to z to x. Follow this cycle and apply option a and then b. In option a) the same cycle is applied i.e. y to z to x to y. In option b) cycle is opposite that is y to x to z to y, which does not belongs to the group given in the question. So it is not the answer and answer is a. 0 votes 0 votes abhishek tiwary commented Nov 19, 2017 reply Follow Share for this type of question by keeping the properties of group in mind you should eliminate the wrong pattern 0 votes 0 votes Please log in or register to add a comment.