3 votes 3 votes how op(c) is correct? Plz someone explain.... dileswar sahu asked Aug 9, 2016 dileswar sahu 296 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply ManojK commented Aug 9, 2016 reply Follow Share $B\rightarrow \left ( a+b \right )^{*}$ $A\rightarrow a\left ( a+b \right )^{*}b$ $S\rightarrow aSa |bSb | a\left ( a+b \right )^{*}b$ So L=$aa\left ( a+b \right )^{*}ba +ba\left ( a+b \right )^{*}bb + a\left ( a+b \right )^{*}b$ or L=$\left \{ waxbw^{r} |w,x\ \epsilon \left (a+b \right )^{*} \right \}$ 6 votes 6 votes ankit commented Aug 23, 2016 reply Follow Share Sir , how to write language from grammar quickly ?? 0 votes 0 votes Please log in or register to add a comment.