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In the context-free grammar below, S is the start symbol, a and b are terminals, and ϵ denotes the empty string
Which of the following strings is NOT generated by the grammar?
  • a)
    aaaa
  • b)
    baba
  • c)
    abba
  • d)
    babaaabab
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In the context-free grammar below, S is the start symbol, a and b are ...
L(G) = PALINDROME
baba does not belong to palindrome , so B is the answer
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Most Upvoted Answer
In the context-free grammar below, S is the start symbol, a and b are ...
L(G) = PALINDROME
baba does not belong to palindrome , so B is the answer
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Community Answer
In the context-free grammar below, S is the start symbol, a and b are ...
This grammar generates strings having start symbol and end symbol same and in option (B) start symbol is 'b' and end symbol is 'a'.
So option (b) is not true.
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In the context-free grammar below, S is the start symbol, a and b are terminals, and ϵ denotes the empty stringWhich of the following strings is NOT generated by the grammar?a)aaaab)babac)abbad)babaaababCorrect answer is option 'B'. Can you explain this answer?
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