A strictly binary tree with n leaves always contains ................nodes.

n*n

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2n - 1

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n^{2}

- 1

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Solution

The correct option is A 2n - 1
A strictly binary tree with n leaves contains 2n-1 nodes. If n (1): a strictly binary tree with 1 leaf contains 2(1)-1 = 1 node.

A binary tree consists of a finite set of nodes that is either empty, or consists of one specially designated node called the root of the binary tree, and the elements of two disjoint binary trees called the left subtree and right subtree of the root.

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