✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.
Suppose that N_1 = (Q_1, \sum, \delta_1, q_1, F_1) recognizes the regular language
A_1, and
N_2 = (Q_2, \sum, \delta_2, q_2, F_2) recognizes the regular language
A_2. To prove that
A_1\circ A_2 is a regular language, we contruct the finite automata
N = (Q, \sum, \delta, q_0, F) where