Question: Let Sigma = { a , b } . What is the language recognised by the following TM ? q 0 a _ R

Let \Sigma ={a,b}. What is the language recognised by the following TM?
q0 a _ R q0
q0 b _ R q1
q1 b _ R q1
q1__ R halt-accept
TChoice 1 of 4:The language of the regular expression ab
Choice 2 of 4:The language of the regular expression a+b
Choice 3 of 4:The language of the regular expression ab+
Choice 4 of 4:The language of the regular expression a+b+

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