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 in which any h's that occur are found in clumps of an odd number at a time, such as abaabbbab.
(ii) All strings that have an even number of a's and an odd number of h's.
(iii) All strings that have an odd number of a's and an odd number of h's.
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i a b The expression is a unionfree covering of the sequence of characters ab and abc The string a occurs twice in clumps of two The final iteration c...View the full answer
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