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no. of ways of dividing 2n objects into 2 groups of size n each=(2n)!/(n!*n!*2!) can anyone explain with an example why it is divided by 2!. like u can take 2n=4 or 6 and explain ..

no. of ways of dividing 2n objects into 2 groups of size n each=(2n)!/(n!*n!*2!)
 
can anyone explain with an example why it is divided by 2!.
like u can take 2n=4 or 6 and explain ..

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Dear studet 
you can take 2n = n+n 
This means there are two n object of same kind 
That is why we divie it by 2 factorial. 
If there is 3 n object of same kind , divide it by 3 factorial , 
Good Luck  

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