0 votes 0 votes Consider the grammarr S -> sS More in the image below: Hriday Das 1 asked Oct 13, 2018 Hriday Das 1 309 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Mk Utkarsh commented Oct 13, 2018 reply Follow Share option D 1 votes 1 votes Sayan Bose commented Oct 13, 2018 reply Follow Share S -> aS -> aB -> abB -> abb. As you can see, every S when replaced by aS , "a" will keep getting generated in the left and when B is replaced by bB,a single b will be generated followed by 0 or more number of b's . Hence a*bb* 1 votes 1 votes Hriday Das 1 commented Oct 13, 2018 reply Follow Share Thanks. Do you know this, Please check below: 0 votes 0 votes Verma Ashish commented Oct 13, 2018 reply Follow Share ${(a+b)^*}$ b ${(a+b)^*}$ b ${(a+b)^*}$ 1 votes 1 votes Please log in or register to add a comment.