Evaluate the following language expression: BE Use your wits to solve the following language expression for...
QUESTION 8 For the following equation, solve for the language L. {a, aa, ab} L = {ab,aab,abb, aa aaa, aba} O L = {bb,aa,a} O L = {b,a} O L = {b,aa} L = {4,b,a} QUESTION 9 Consider the regular expression (a+ab)*(b+ab)* Which of the followings
7. 15 Points For a regular expression r, we use L(r) to denote the language it represents. For each of the following regular expressions r, find an NFA that accepts L(r). (b). L((a +b+A) b(a bb)) し(((aa 7. 15 Points For a regular expression r, we use L(r) to denote the language it represents. For each of the following regular expressions r, find an NFA that accepts L(r). (b). L((a +b+A) b(a bb)) し(((aa
Find a regular expression for the following language over the alphabet Σ = {a,b}. L = {strings that begin and end with a and contain bb}.
Question 3. Write down a regular expression that denotes the following language. L = {a mb n : m + n is even} Question 4. Let L1 be the language denoted by ab∗ a ∗ and let L2 be the language denoted by a ∗ b ∗ a Write a regular expression that denotes the language L1 ∩ L2.
3. (8) Let L be the language accepted by the following finite state machine: q0 q1 q2 q3 Answer Yes or No: Does each of the following regular expressions correctly describe L? (1) (a uba)bb'a (2) (EU b)a(bb%)* (3) ba u ab*a (4) (a ba)(bb*a)*
3) Construct a regular expression defining each of the following languages over the alphabet {a, b}. (a) L = {aab, ba, bb, baab}; (b) The language of all strings containing exactly two b's. (c) The language of all strings containing at least one a and at least one b. (d) The language of all strings that do not end with ba. (e) The language of all strings that do not containing the substring bb. (f) The language of all strings...
4(10 points] Let A be the language over the alphabet -(a, b) defined by regular expression (ab Ub)aUb. Give an NFA that recognizes A. Draw an NFA for A here 5.10 points] Convert the following NFA to equivalent DFA a, b 4(10 points] Let A be the language over the alphabet -(a, b) defined by regular expression (ab Ub)aUb. Give an NFA that recognizes A. Draw an NFA for A here 5.10 points] Convert the following NFA to equivalent DFA...
4. A regular expression for the language over the alphabet fa, b) with each string having an even number of a's is (b*ab*ab*)*b*. Use this result to find regular expressions for the following languages a language over the same alphabet but with each string having odd number of a's. (3 points) a. b. a language over the same alphabet but with each string having 4n (n >- 0) a's. (3 points)
Describe, as precisely as possible, the language generated by each of the following regular expressions. The alphabet is {a, b} (1) (aaa)* b(bb)* (2) abab(ab)* (3) b (e U a) b (4) a(aa) (bb)* UE*baa
Find regular expression for the language accepted by the following automata. Find regular expression for the language accepted by the following automata. gl a b q2 q0