QUESTION 2  There are many algorithms exist for keeping binary search trees balanced, among them are AVL and Splay. Discuss the differences between the AVL and Splay algorithms in keeping a binary search tree balanced.   In the big-O notation, what is the cost of splaying amortized over a sequence of retrievals, insertions and deletes?   Given the following Figure 3. Show step by step splaying process when node d is accessed. Proceed with accessing node b

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