(Answered) Question this exercise concerns grammars for very simple

Engineering

Question: This exercise concerns grammars for very simple languages.

a. Write a context-free grammar for the language anbn .

b. Write a context-free grammar for the palindrome language: the set of all strings whose second half is the reverse of the first half.

c. Write a context-sensitive grammar for the duplicate language: the set of all strings whose second half is the same as the first half.

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