mayank0802's blog

By mayank0802, history, 3 weeks ago, In English,
 
 
 
 
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By mayank0802, history, 4 months ago, In English,

How many different trees can be formed with N nodes?? I read somewhere it is N ^ (N — 2), But doesn't find any proof? May anyone elaborate how it is N ^ (N — 2).

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