- product rule
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Rule for finding the derivative of a product of two functions.If both f and g are differentiable, then (fg)′ = fg′ + f′g.
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Universalium. 2010.
product rule
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Product rule — For Euler s chain rule relating partial derivatives of three independent variables, see Triple product rule. For the counting principle in combinatorics, see Rule of product. Topics in Calculus Fundamental theorem Limits of functions Continuity… … Wikipedia
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work product rule — Under this rule any notes, working papers, memoranda or similar materials, prepared by an attorney in anticipation of litigation, are protected from discovery. Fed.R.Civ.Proc. 26(bX3). See Hickman v. Taylor, 329 U.S. 495, 67 S.Ct. 385, 91 L.Ed.… … Black's law dictionary
Product integral — Product integrals are a counterpart of standard integrals of infinitesimal calculus. They were first developed by the mathematician Vito Volterra in 1887 to solve systems of linear differential equations. Since then, product integrals have found… … Wikipedia
rule — /roohl/, n., v., ruled, ruling. n. 1. a principle or regulation governing conduct, action, procedure, arrangement, etc.: the rules of chess. 2. the code of regulations observed by a religious order or congregation: the Franciscan rule. 3. the… … Universalium
product — /prod euhkt, ukt/, n. 1. a thing produced by labor: products of farm and factory; the product of his thought. 2. a person or thing produced by or resulting from a process, as a natural, social, or historical one; result: He is a product of his… … Universalium
Product liability — is the area of law in which manufacturers, distributors, suppliers, retailers, and others who make products available to the public are held responsible for the injuries those products cause. Product liability in the United StatesIn the United… … Wikipedia
