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Question

The regular expression denote a language comprising all possible strings of even length over the alphabet (0,1)

a.

1 + 0(1+0)*

b.

(0+1)(1+0)*

c.

(1+0)

d.

(00+0111+10)*

Answer: (d).(00+0111+10)*

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Q. The regular expression denote a language comprising all possible strings of even length over the alphabet (0,1)