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Please I need you to solve it step by step with proper and complete diagrams. a . Consider the following Context Free Grammar with nonterminals

Please I need you to solve it step by step with proper and complete diagrams.
a. Consider the following Context Free Grammar with nonterminals A and B, and terminal symbols: 'x',
'y' and 'z':
AABA|z
BB|yx
i. If A is the starting symbol, then the string "zxxyyxz" can be derived from this context-free
grammar. Give three other strings which can also be derived.
ii. Explain what is meant by the term "left-recursive context free grammar" and explain
whether the CFG given above is left recursive.
iii. Draw a parse tree for the following string which can be derived by the above CFG:
zxyyyxz
b. Consider the following NFA over alphabet {a,b} :
i. Identify the start and final state(s) of the NFA.
ii. Construct a Deterministic Finite Automaton (DFA) which is equivalent to the NFA by using
the subset construction.
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