Question: If the only difference between L and L* is the word , is the only difference between L2 and L* the word ? Prove or

If the only difference between L and L* is the word , is the only difference between L2 and L* the word ? Prove or disprove. Note: L2 is the language consisting of words that are any word in L concatenated with any word in L. L* is the language of zero or more words from L all concatenated (in any order, and any word may be used any number of times).

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