1. The balance factor for an AVL tree is either (a) 0,1 or –1 (b) –2,–1 or 0 (c) 0,1 or 2 (d) All the above 2. What is the maximum height of any AVL-tree with 7 nodes? Assume that
1. The balance factor for an AVL tree is either (a) 0,1 or –1 (b) –2,–1 or 0 (c) 0,1 or 2 (d) All the above 2. What is the maximum height of any AVL-tree with 7 nodes? Assume that