Which of the following are non regular?

Question

TuteeHUB · Accepted Answer

NA

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The set of strings in {a,b}* with an even number of b s

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The set of strings in {a, b, c}* where there is no c anywhere to the left of a

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The set of strings in {0, 1}* that encode, in binary, an integer w that is a multiple of 3. Interpret the empty strings e as the number 0

TuteeHUB · Answer

None of the mentioned

1.	Which of the following are non regular?
A.	The set of strings in {a,b}* with an even number of b s
B.	The set of strings in {a, b, c}* where there is no c anywhere to the left of a
C.	The set of strings in {0, 1}* that encode, in binary, an integer w that is a multiple of 3. Interpret the empty strings e as the number 0
D.	None of the mentioned
Answer» E.

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