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Show clear steps please Consider a Language L containing a set of strings. We define LR as LR={wR:wL}, where wR is the reverse of string

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Consider a Language L containing a set of strings. We define LR as LR={wR:wL}, where wR is the reverse of string w. For example, if L={abb, bab, abbb}, then LR={bba,bab,bbba}. Note that L can either be finite or infinite. Prove that (L1UL2)R=L1RUL2R. 4 points

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