0 votes 0 votes iita asked Jan 30, 2017 iita 286 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Sushant Gokhale commented Jan 30, 2017 reply Follow Share is it B? 0 votes 0 votes iita commented Jan 30, 2017 reply Follow Share yeah they have given B but..how..?? and whats the concept of this..?? 0 votes 0 votes Sushant Gokhale commented Jan 30, 2017 reply Follow Share Consider |w|=4, m=1 (derivation of length 1) and grammar as S->abcd There will be 5 nodes and all other options get eliminated. 0 votes 0 votes iita commented Jan 30, 2017 reply Follow Share is length of derivation diffrent from length of string...??? 0 votes 0 votes Please log in or register to add a comment.