Given the language L denoted by r = (a+b)* . (aa*+b) and, ∑ = {a,b} and ∏ = {c,d,x} h(b) = xd, h(a) = cdx please provide the homomorphic image of the regular expression h(r)

Q: S is a set of strings over the alphabet {a, b}* recursively defined as: Base case: λ ∈ S, a ∈ S, b…

A: Base case: λ ∈ S, a ∈ S, b ∈ S Recursive rules: If x ∈ S, then Rule 1: axb ∈ S Rule 2: bxa ∈ S

Q: 9. Given the regular expression r = a(a+b)*b a) Show an nfa that accepts the language L(r) b) Show…

A: A regular expression is a sequence of characters that represents a pattern. It is a powerful tool…

Q: Giventhegrammar B-> BB | (B) | ε 1.Describe the language it generates 2.Show that it is ambiguous

A: 1. The language generated by the given grammar is L={ε, ( ) , (( )) , ( ) ( ), ((( ))) , (( ))((…

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Q: Show that L= {a": n>4} is regular. Show that the language L= {a": n> 0,n± 4} is regular.

A: ANSWER:-

Q: Give an dfa that accepts the language L ((a + b)∗b (a + bb)∗).

A: The DFA for the given language L ((a + b)∗b (a + bb)∗) is shown below:

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A: The regular expression of the given language

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A: Here is the context-free grammar (CFG) which does generates the language { a^mb^kc^kd^n | 2m <= n…

Q: abb and bab. Note that the substrings ca

A:

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A: Here, we have to write a structurally recursive function named (curry exp) that takes one argument,…

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Q: For E = {a, b}, find regular expressions for the complement of the language L = L(aa'bb*).

A: The Anwer of Regular expression for that Language L is

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A: regular expression:The language accepted by finite automata can be easily described by simple…

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