Which of the following can be the valid balance factor of any node in an AVL tree?

The balance factor of any node in an AVL tree can be -1, 0, or 1.

Here's why:

1. The balance factor of a node in an AVL tree is the height of its left child's subtree minus the height of its right child's subtree.

2. An AVL tree is a self-balancing binary search tree, and the balance factor of any node in it is kept between -1 to 1 to ensure the tree remains balanced during insertions and deletions.

3. If the balance factor becomes less than -1 or more than 1 then the tree is balanced using rotation operations.

So, the valid balance factors for any node in an AVL tree are -1, 0, and 1.

The balance factor of any node in an AVL tree can be -1, 0, or 1.

Here's why:

1. The balance factor of a node in an AVL tree is the height of its left child's subtree minus the height of its right child's subtree.

2. An AVL tree is a self-balancing binary search tree, and the balance factor of any node in it is kept between -1 to 1 to ensure the tree remains balanced during insertions and deletions.

3. If