Question: 4. (20) Generate a CFG that generates all strings for sigma (a,b) where the string starts with 2*n a' s and is followed by exactly

4. (20) Generate a CFG that generates all strings for sigma

4. (20) Generate a CFG that generates all strings for sigma (a,b) where the string starts with 2*n a' s and is followed by exactly n b's

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