Multiple choice

Which of the following regular expressions is not equivalent to the regular expression represented as (a + b + c)*?

  1. (a*b* + c*)*

  2. ((ab)* + c*)*

  3. (a*b*c*)*

  4. (a* + b* + c*)*

  5. -

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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