Question 3 a)Consider the grammar E → E + E | E ∗ E | (E) | id. I.Change ambiguous grammar to non-ambiguous? II.Give a context-free grammar for generating the set of palindromes over the alphabet...

Question 3 a)Consider the grammar E → E + E | E ∗ E | (E) | id. I.Change ambiguous grammar to non-ambiguous? II.Give a context-free grammar for generating the set of palindromes over the alphabet a,b. III.Give a context-free grammar for generating all strings over a,b such that | a |= 2∗ | b