CALCULUS Understanding Its Concepts and Methods
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The symbols and are known as differential operators. They operate on a function and return a second function which is the derivative of the first function.
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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.