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5. Display a left derivation of the string a + b * a by using the following grammar: It is_Onambiguos (ambiguous or unambiguous) ), R, E) G = ({ E, T, F,I}, {a, b, +, *,- E->TT +ET-E I-> F|F *I F->II-FI (E) 1 ->a | b11a 1b E TIE Step 1: Step 2: a + bx Irt Step 3: Step 4: att .b xI Step 5: att Step 6: #fxt atbxa atIXT