Question: (c) An expression tree is a tree used to represent mathematical expressions. It is such that the leaves contain the operands (eg, constants and variables)

(c) An expression tree is a tree used to represent mathematical expressions. It is such that the leaves contain the operands (eg, constants and variables) and the remaining nodes contain the operators (c.g. addition, multiplication, square root). (0) Consider the expression tree defined below. Showing your workings, write the resulting expressions when printing out the values of the nodes using the following traversal strategies: a. pre-order (NLR). 110%) b. post-order (LRN). 110%

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