Question

Which of the following is true?

(a) (01)*0 = 0(10)*

(b) (0+1)*0(0+1)*1(0+1) = (0+1)*01(0+1)*

(c) (0+1)*01(0+1)*+1*0* = (0+1)*

(d) All of the mentioned

I got this question in exam.

The question is from Regular Language & Expression topic in section Regular Expressions and Languages of Automata Theory

Answer 1

The correct answer is (d) All of the mentioned

The explanation is: None.