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  • UGC NET June 2004 - Computer Science Paper 2
  • Which of the following pairs of regular expressions is eq...
Multiple choice

Which of the following pairs of regular expressions is equivalent?

  1. 1(01)* and (10)*1

  2. x(xx)* and (xx)*x

  3. (ab)* and a*b*

  4. x* and x* x*

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