Consider the following BNF grammar. S= A x | By A= By | CwBx |B w...
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Consider the following BNF grammar. S= A x | By A= By | CwBx |B w C y Which of the following regular expressions describes the same set of strings as the grammar? xwxy + xwwy +ywx xwx + xww*y + yw xwy + xwxyx + ywx xuy + xW*xyx + ywx xw'y + xw'yx + ywx none of the above all of the above Consider the following BNF grammar. S= A x | By A= By | CwBx |B w C y Which of the following regular expressions describes the same set of strings as the grammar? xwxy + xwwy +ywx xwx + xww*y + yw xwy + xwxyx + ywx xuy + xW*xyx + ywx xw'y + xw'yx + ywx none of the above all of the above
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