For construct a regular expression defining each of the following languages over the alphabet = {a
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For construct a regular expression defining each of the following languages over the alphabet Σ = {a b}:
(i) All strings that end in a double letter.
(ii) All strings that do not end in a double letter.
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i Let L x x is a string that ends in two copies of the same letter We use a regular expression r to describe L where r is built from the following com...View the full answer
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