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Suppose the alphabet is {a, b}, which of the following regular expression accepts odd number of a? (multi-select question) Question 6 options: A. (b*ab*a)*b*ab* B.

Suppose the alphabet is {a, b}, which of the following regular expression accepts odd number of a? (multi-select question)

Question 6 options:

A. (b*ab*a)*b*ab*

B. ab*(ab*ab*)*

C. b*a(b*ab*ab*)*

D. (b*ab*ab*)*ab*

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