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Provide a grammar for the language: (a) {a, aab, aaabb, aaaabbb, . . .} (= {a n+1 b n |n 0) (just an answer, no

Provide a grammar for the language:

(a) {a, aab, aaabb, aaaabbb, . . .} (= {an+1bn|n 0) (just an answer, no explanation)

(b) {, a, b, c} (the first element is an empty string)

(c) The language of all even length palindromes over the alphabet {a, b}.

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