Write down the expression obtained from preorder traversal
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Write down the expression obtained from preorder traversal

Question 5

Consider the following binary expression tree.


(a) Write down the expression obtained from preorder traversal.

(b) Write down the expression obtained from postorder traversal.

For each case, use comma “,” to separate data from each node. (Explanation is not required.)

Hint
MathematicsPreorder traversal: It is used to create the copy of the tree, and is also used to get the prefix expression on an expression tree. Now, the post order traversal technique follows the Left Right Root policy, in which the Left Right Root means the left subtree of the root node is basically traversed first, and then the right subtree. Finally, the root node is then traversed....
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