GATE | Gate IT 2008 | Question 75

A CFG G is given with the following productions where S is the start symbol, A is a non-terminal and a and b are terminals.
S→aS∣A
A→aAb∣bAa∣ϵ
Which of the following strings is generated by the grammar above?
(A) aabbaba
(B) aabaaba
(C) abababb
(D) aabbaab


Answer: (D)

Explanation: 2008_78_sol

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