Question: 2- Let x and y be two words (both different than the empty string) and xy is their concatenation. Show that if x, y and

2- Let x and y be two words (both different than the empty string) and xy is their concatenation. Show that if x, y and xy are all in PALINDROME, then there is a word z such that x= zⁿ and y=z^m for some integers n and m.

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