Question: Let A be a regular language and B a non-regular language. The following is true: AU B is always nonregular A UB is always regular

Let A be a regular language and B a non-regular language.

Let A be a regular language and B a non-regular language. The following is true: AU B is always nonregular A UB is always regular AU B is always finite A U B is always infinite None of the above

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