SOLUTION: If 6 times number of permutation of n items taken 3 at a time is equal to 7 times no of permutation ( n-1) item taken 3 at a time then n value is

Question 973197: If 6 times number of permutation of n items taken 3 at a time is equal to 7 times no of permutation ( n-1) item taken 3 at a time then n value is
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!
If 6 times number of permutation of n items taken 3 at a time is equal to 7 times
no of permutation ( n-1) item taken 3 at a time then n value is?
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6∙(nP3) = 7∙[(n-1)P3]

Edwin
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