Does n P r = n P (n - r) for all whole numbers, where n

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Does _nP_r = _nP_{(n - r)} for all whole numbers, where n ≥ r ?

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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Question Posted: Jan 29, 2019 06:58 AM

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Does n P r = n P (n - r) for all whole numbers, where n

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A Survey of Mathematics with Applications

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