If a language is denoted by a regular expression
L = ( x )* (x | y x ) ,
then which of the following is not a legal string within L ?
| A. | yx |
| B. | xyx |
| C. | x |
| D. | x y x y x |
Answer : D Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
