Let L1 and L2 be languages over ∑ = {a, b} represented by the regular expressions (a* + b)* and (a + b)* respectively.Which of the following is true with respect to the two languages?

Let L1 and L2 be languages over ∑ = {a, b} represented by the regu

1.	Let L1 and L2 be languages over ∑ = {a, b} represented by the regular expressions (a* + b)* and (a + b)* respectively.Which of the following is true with respect to the two languages?
A.	L1 ⊂ L2
B.	L2 ⊂ L1
C.	L1 = L2
D.	L1 ∩ L2 = ϕ
Answer» D. L1 ∩ L2 = ϕ

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Let L1 and L2 be languages over ∑ = {a, b} represented by the regular expressions (a* + b)* and (a + b)* respectively.Which of the following is true with respect to the two languages?

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