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5. Use the tree below to answer the following questions: (2 points each) Is this a binary tree? 5.2 Is this a binary search tree? 5.3 Is this a complete binary tree? 5.4 What is the left subtree of Node T?
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5.1 Is this a binary tree? Yes. It is a binary tree, because each node has atmost two nodes.

5.2 Is this a binary search tree? No. It is not a binary search tree, because the left nodes are greater than the parent nodes.

5.3 Is this a complete binary tree? Yes. It is a complete binary tree because, all nodes are filled except last level, and all unfilled nodes are towards the right.

5.4 What is the left subtree of Node T?

This is subtree is a Binary tree but not a BST or complete BT

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