Which of the following regular expression identity is true? – McqOptions

MCQOPTIONS

1.	Which of the following regular expression identity is true?
A.	r() = r
B.	(rs)* = (r + s)*
C.	(r + s)* = r* + s*
D.	rs = r* + s*
Answer» C. (r + s)* = r* + s*

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