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.
Therefore , L1 = { a, ab, aa, aba, aaa, abba, aaaa, abbaa, abbbaa, abbbaaa ....}
Therefore , L2 = { a, ba, aa, aba, aaa, abba, aaaa, aabba, aaaaa, abbba, aabbba ....}
So, L1 ∩ L2= {a,aa, aaa aba,aaaa, abba, aaaaa, abbba .....}
Therefore,
Question 4. Let L1 be the language denoted by ab∗ a ∗ and let L2 be...
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.
Let L 1be the language denoted by ab ∗ a ∗ and let L 2 be the language denoted by a ∗ b ∗ a Write a regular expression that denotes the language L 1 ∩ L 2 .
Question 7 10 pts Let = {a,b,c}. Write a left-linear grammar for the language denoted by the regular expression p=(cab)* (ab + bc + acb) (abc)*a*
Prove that If L1 is linear and L2 is regular, L1×L2 is a linear Language.
If L1 and L2 are Regular Languages, then L1 ∪ L2 is a CFL. Group of answer choices True False Flag this Question Question 61 pts If L1 and L2 are CFLs, then L1 ∩ L2 and L1 ∪ L2 are CFLs. Group of answer choices True False Flag this Question Question 71 pts The regular expression ((ac*)a*)* = ((aa*)c*)*. Group of answer choices True False Flag this Question Question 81 pts Some context free languages are regular. Group of answer choices True...
Define nor operation for the language as follows. nor(L1, L2) = {w : w E L1 or w E L2} Show that the family of regular languages is closed under the nor operation. Define nor operation for the language as follows. nor(L1, L2) = {w : w E L1 or w E L2} Show that the family of regular languages is closed under the nor operation.
For Language L1 and L2 prove or disprove (L1 union L2)*=L1* intersection L2*
Let L1 = L(a∗baa∗) and L2 = L(aba∗). Find L1/L2.This is a Formal Languages and Automata question.
-. If L and L2 are regular languages, show the the language BothOr Neither is also regular. Both Or Neither is the language that contains strings that are in both L1 and L, or in neither L or L2.
4.[10 points] Let A be the language over the alphabet E-(a, b} defined by regular expression (ab U b)*a U b. Give an NFA that recognizes A. Draw an NFA for A here. 4.[10 points] Let A be the language over the alphabet E-(a, b} defined by regular expression (ab U b)*a U b. Give an NFA that recognizes A. Draw an NFA for A here.