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Answer this-p(n,n)=5040 please.... I tried this but I couldn`t

Answer this-p(n,n)=5040 please.... I tried this but I couldn`t

Grade:10

1 Answers

Arun
25750 Points
6 years ago
Dear student
 
P(n,n) means nPn
hence P(n,n) = n!/(n-n)!
= n!/0! = n!
Since
n! = 5040
Hence
n = 7
 
Regards
Arun (askIITians forum expert)

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