Consider the alphabet Σ = {0, 1}, the null/empty string

1.	Consider the alphabet Σ = {0, 1}, the null/empty string
A.	10(0* + (10)*)1
B.	10(0* + (10))1
C.	1(0 + 10)*1
D.	10(0 + 10)1 + 110(0 + 10)1
Answer» D. 10(0 + 10)1 + 110(0 + 10)1

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Consider the alphabet Σ = {0, 1}, the null/empty string

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