Let P be a regular language and Q be context-free language such that Q – McqOptions

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1.	Let P be a regular language and Q be context-free language such that Q P. (For example, let P be the language represented by the regular expression pq and Q be {pnqn n N}). Then which of the following is ALWAYS regular?
A.	P Q
B.	P Q
C.	* P
D.	* Q
Answer» D. * Q

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