3. Expression representation and evaluation. a) Evaluate this expression: + +2 3+5 2 * 10 10 *1 2 b) Draw a tree representing the above expression. c) The above expression tree is a Binary Tree. What is its type: CBT, BST or AVL? d) What's the height of the tree? You may indicate your convention/ assumption used. e) Write the above expression in infix form. f) Write the above expression in postfix form