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Question 3472 – Mathematical-Reasoning
May 1, 2024
Question 2546 – Computer-Networks
May 1, 2024
Question 3472 – Mathematical-Reasoning
May 1, 2024
Question 2546 – Computer-Networks
May 1, 2024

Question 5789 – UGC NET CS 2010 June-Paper-2

“My Lafter Machin(MLM) recognizes the following strings :
(i) a
(ii) aba
(iii) abaabaaba
(iv) abaabaabaabaabaabaabaabaaba
Using this as an information, how would you compare the following regular expressions ?
(i) (aba)3x
(ii) a.(baa)3x–1. ba
(iii) ab.(aab).3x–1.a

Correct Answer: D

Question 3 Explanation: 
m is generating single “a”.
If you observe all of them is generating (aba)x
Note: This question is ambiguous, the wordings are not very clear.
A
(ii) and (iii) are same, (i) is different.
B
(ii) and (iii) are not same.
C
(i), (ii) and (iii) are different.
D
(i), (ii) and (iii) are same.
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