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Consider mini-alphabet made of just letters {a, b, c, d, e}. How many “words” (i.e., strings...

Consider mini-alphabet made of just letters {a, b, c, d, e}. How many “words” (i.e., strings of letters from that alphabet, whether they correspond to meaningful words or not) are there of length n, for n≥1 ? Use mathematical induction to prove your answer.

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