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Power rule

The power rule says that the derivative of xn is nxn-1. Initially, this formula was developed for n a positive integer, but it works for any real number n.

The generalized power rule says that the derivative of (f(x))n is n f'(x) (f(x))n-1.


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Rules for derivatives


Copyright © 2006 Darel Hardy, Fred Richman, Carol Walker, Robert Wisner. All rights reserved. Except upon the express prior permission in writing, from the authors, no part of this work may be reproduced, transcribed, stored electronically, or transmitted in any form by any method.

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