Question: Make a DFA for the following with alphabet = {a,b} (do both state machine and formal description) L1 = {w | w has an even

Make a DFA for the following with alphabet = {a,b} (do both state machine and formal description)

L1 = {w | w has an even number of as} L2 = {w | w has substring aba} L3 = {w | w has at least 3 as}

Construct the following DFAs using the algorithm discussed on page 46 (closure)

L1 intersect L2 L1 union L2 L2 intersect L3 L2 union L3

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