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OpenStudy (anonymous):
Which expression is equivalent?
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OpenStudy (anonymous):
OpenStudy (anonymous):
@uri
OpenStudy (anonymous):
nPn-1 is n! / [n - (n - 1)]! n! / 1! -> n! / 1 -> n!
OpenStudy (anonymous):
Thank you :D
OpenStudy (anonymous):
Good luck to you in all of your studies and thx for the recognition! @PatrickJordon
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OpenStudy (anonymous):
uw!
OpenStudy (anonymous):
No probs :)
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