Given the language L = {bamb"a, (ab)", aa: n,m > 0 and h 21}, find the regular expression r such that L(r) = L.
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A: I have provided solution in step2
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Q: S is a set of strings over the alphabet {a, b}* recursively defined as: Base case: λ ∈ S, a ∈ S, b…
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Q: (a) Let L = {w E {0, 1)*: w does not end in 01} (a) Show a regular expression that generates L. (b)…
A: (a) Answer: ∈∪1∪(0∪1)*(0∪11)
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A: ANSWER:
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Q: Start
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Q: Let A={+,x,a,b}. Show that (a*V ba)+ b is regular over A.
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A: I have given a written solution to the above problem. See below steps.
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A: The Answer is
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Q: (a) Let L = {w ∈ {0, 1}* : w does not end in 01} (a) Show a regular expression that generates L. (b)…
A: (a) Answer: ∈∪1∪(0∪1)*(0∪11)
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Q: Let ∑ = {a, b, #} and L = { w | w cannot be written as t#s#t with s, t ∈ {a, b}*}. Show that L is…
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Q: = { w : w = CAjGnTmC, m = j + n }. For example, CAGTTC ∈ L; CTAGTC ∉ L because the symbols are not…
A: given : ∑ = {C,A,G,T}, L = { w : w = CAjGnTmC, m = j + n }. For example, CAGTTC ∈ L; CTAGTC ∉ L…
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- Let A={+,x,a,b}. Show that (a*V ba)+ b is regular over A.∑ = {C,A,G,T}, L = { w : w = CAjGnTmC, m = j + n }. For example, CAGTTC ∈ L; CTAGTC ∉ L because the symbols are not in the order specified by the characteristic function; CAGTT ∉ L because it does not end with C; and CAGGTTC ∉ L because the number of T's do not equal the number of A's plus the number of G's. Prove that L ∉ RLs using the RL pumping theorem.S is a set of strings over the alphabet {a, b}* recursively defined as: Base case: λ ∈ S, a ∈ S, b ∈ S Recursive rules: If x ∈ S, then Rule 1: axb ∈ S Rule 2: bxa ∈ S List all the strings in S of length 3.
- Let ∑ = {a, b, #} and L = { w | w cannot be written as t#s#t with s, t ∈ {a, b}*}. Show that L is not regular.29 of 40 Suppose R(A, B, C) contains the tuples {(a1,b1,c1), (a2,b1,c1), (a3,b1,c1), (a2, b2, c2) (a3,b3,c3), (a4,b3,c3), (a5,b5,c5), (a6,b5,c5)} and S(B, C, D, E) contains the tuples {(b1,c1,d1,e1),(b1,c1,d1,e2), (b2,c2,d2,e2), (b3,c3,d3,e3), (b3,c3,d4,e4), (b6,c6,d1,e1)} The following SQL query will return how many tuples? Select * From Rr FULL OUTER JOIN S s ON r.B= s.B AND r.C=s.C; Answer:8- Determine if each of the following recursive definition is a valid recursive definition of a function f from a set of non-negative integers. If f is well defined, find a formula for f(n) where n is non- negative and prove that your formula is valid. a. f(0) = 2,f(1) = 3, f(n) = f(n-1)-1 for n ≥ 2 b. f(0) = 1,f(1) = 2, f(n) = 2f (n-2) for n = 2
- Write regular expression for: Σ = {a,b} L = {all words that can be of any length and only have one letter b in them} Using + as ONE or more occurences Using * as ZERO or more occurences Using () for grouping2.a Σ : {c,A,G,T}, L = { w : w = CAG™T™C, m = j + n }. For example, CAGTTC E L; CTAGTC ¢ L because the symbols are not in the order specified by the characteristic function; CAGTT ¢ L because it does not end with c; and CAGGTTC € L because the number of T's do not equal the number of A's plus the number of G's. Prove that L¢ RLs using the RL pumping theorem.Construct a regular expression for L = { w is in {a,b} * / |w| is >= 4 }