SOLUTION: Will the number of permutations always be greater than the number of distinguishable permutations? why or why not?

Question 772808: Will the number of permutations always be greater than the number of distinguishable permutations? why or why not?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Will the number of permutations always be greater than the number of distinguishable permutations? why or why not?
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When does nPr = nCr ????
Q::When does n!/(n-r)! = n!/[(n-r)!r!]
A::when r! = 1
A::when r is 0 or 1
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Cheers,
Stan H.

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