CALCULUS Understanding Its Concepts and Methods
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Let f(x,y) be a function of two variables.
The partial derivative of f with respect to x isThe partial derivative of f with respect to y is
In computing Dx f(x,y), the variable y is treated as a constant so that f(x,y) is considered as a function of x alone. The limitis simply the derivative of that 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.