Σ = {a, b}, Consider set of strings consisting of a's and b's starting with the string bab and even number of b's and odd number of a's, write down Regular expression and define Recursive Language for it.

2pointswho was mikhail gorbachev? oa. a russian leader who opposed a coupob. a polish leader who founded the labor union "solidarityoc. a soviet leader who called for a closer relationship with the unitedstates, economic reform, and a more open societyd. a soviet leader who called for more oppression in the soviet union