What is the minimum number of nodes in an AVL tree with 4 levels? 1. onsider following AVL tree 12 8 14 ハハ 3 9 13 15 2 5 10 18 1 4 7 2. How does the above tree look like after inserting 6 and 11 Does the tree perform any rotation if we delete the minimum value? If it does, which nodes and what
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