Question: Context Free Grammar: (15 pts) Develop a CFG for the following language: a) a 2n b n for n >= 1 : the exponent represents

Context Free Grammar: (15 pts) Develop a CFG for the following language:

a) a2n bn for n >= 1 : the exponent represents the number of repeated characters

b) Construct a leftmost derivation for a string in this language of length at least 4

c) Construct a parse tree for the same string as used in (b).

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