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FORMAL LANGUAGE & AUTOMATA THEORYConstruct a PDA accepting: L = \{ a^{2n}bc : n \ge 0 \}20217mFORMAL LANGUAGE & AUTOMATA THEORYDesign a PDA (empty stack and final state both) for L = \{ WW^r \mid W \in \{a,b\}^* \}.20237mFORMAL LANGUAGE & AUTOMATA THEORYConstruct a PDA for the language: L = \{ 0^m 1^n 0^k \mid k \ge 1, m \ge 1, m > n + 2 \}20247mFORMAL LANGUAGE & AUTOMATA THEORYWhich of the following is a PDA? (i) Finite automaton with a stack (ii) Turing machine with a stack (iii) Finite automaton with a queue (iv) Turing machine with a queue20242m