What is the no. of distinct binary trees possible with n labeled nodes? Solution $ \frac{(2n)!} { (n+1)!}$ (Proof to be Added) What is the no. of distinct binary trees possible with n unlabeled nodes? (No. of structurally different binary trees possible with n nodes) Solution If the nodes are similar (unlabeled), then the no. […]

# Combinatory

## Combinatory

Materials for GATE preparation in Combinatory