Let S and T be language over ={a,b} represented by the regular express – McqOptions

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1.	Let S and T be language over ={a,b} represented by the regular expressions (a+b) and (a+b)*, respectively. Which of the following is true?
A.	ScT (S is a subset of T)
B.	TcS (T is a subset of S)
C.	S=T
D.	SnT=Ø
Answer» D. SnT=Ø

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