Discrete Mathematics MCQ: Let S be a start symbol and S -> aA, A -> BA, A -> a, B -> b be the productions in a grammar then one of the string derived form the grammar is _____.

Let S be a start symbol and S -> aA, A -> BA, A -> a, B -> b be the productions in a grammar then one of the string derived form the grammar is _____.

Correct Answer: abba

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