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8 marks · CO2 · AnalyseQuestion Bank #25 · Module 2 · Closure properties of regular languages

Answer in prose

Show that the regular languages are closed under (a) union, (b) concatenation, (c) star closure and (d) intersection.

Marked by handThis is a prose question — no honest automatic grader exists for it, so the tool does not pretend to have one. Write your answer as you would in the exam, then use the hints to check yourself.
Hints3 available