number of possible tree = (2 power n) - n. for example: A tree contain t

how to find the number of possible tree in the given tree.

Question Posted / baskerdearer

Answer Posted / baskerdearer

number of possible tree = (2 power n) - n.
for example:
A tree contain three node.
so n=3.
possible tree = 8 - 3 = 5.

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