2. Answer the questions based on the following tree. (8%) 20 [496] Which binary tree traversal method can derive an infix expression? Write down this infix expression (Hint: Remember to add proper parentheses for clarification.) a. b. [496] Which binary tree traversal method can derive a postfix expression? Write down this postfix expression. Show transcribed image text 2. Answer the questions based on the following tree. (8%) 20 [496] Which binary tree traversal method can
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