5. Assume the alphabet Σ = {0,1}. Give three different regular expressions (besides the one given) that specify the language described by this regular expression: ((11)*1*)* + (11 + 1)* + (0+ €)* In each case, explain why your regular expression specifies the same language. Note: For the purposes of this exercise only, changing the order of a union does not count as a different regular expression. Your examples also should not be more complicated than the original regular expression.

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