Question: 2.A. Formally define regular expression (r.e.). Find a r.e. for L = {VWv: v, we {a, b), M-2} 2.B. Define Li/L2, where L&L2 be languages

2.A. Formally define regular expression (r.e.). Find a r.e. for L

2.A. Formally define regular expression (r.e.). Find a r.e. for L = {VWv: v, we {a, b)", M-2} 2.B. Define Li/L2, where L&L2 be languages on the same alphabet. Let L-L (a *baa*) & L,-L(aba"). Find L/L2

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