PROBLEM 5: Below are 3 arithmetic expressions: 1) a *(bts) 2) (a b) * (c d) 3) (a b*c) (d *(e f)) For each expression do the following: A. Draw its corresponding tree representation with operands at leaves and operators at internal nodes B. Perform a PREORDER traversal of the tree and give the resulting string C. Perform a POSTORDER traversal of the tree and give the resulting string