engineering recuitment GATE CSE 2023-24 Test Series Programming and Data Structure Tree Complete Binary Tree
The total number of binary trees possible with height n - 2 having n nodes are?
1
(2n - 5) 2n - 3
2
(2n - 7)2n - 3
3
(n - 3) 2n - 2
4
(2n - 7) 2n - 2