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If R is regular language and Q is any language (regular/ non regular), then Pref (Q in R) is _____________

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If R is regular language and Q is any language (regular/ non regular), then Pref (Q in R) is _____________

(a) Non-regular

(b) Equal

(c) Infinite

(d) Regular

This question was addressed to me during an internship interview.

The origin of the question is Regular Expression in chapter Compiler Introduction of Compiler

1 Answer

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Correct option is (d) Regular

The best I can explain: So says the definition of Regular Grammar.

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