In calculus, the product rule is a formula used to find the derivatives of products of two or more functions. It may be stated thus:
or in the Leibniz notation thus:
- .
In the notation of differentials this can be written as follows:
- .
The derivative of the product of three functions is:
- .
Read more about Product Rule: Discovery By Leibniz, Examples, A Common Error, Proof of The Product Rule, Applications
Famous quotes containing the words product and/or rule:
“A product of the untalented, sold by the unprincipled to the utterly bewildered.”
—Al Capp (1909–1979)
“I am a Christian according to my conscience in belief, ... in purpose and wish;Mnot of course by the orthodox standard. But I am content, and have a feeling of trust and safety.
The Machiavellian mind and the merchant mind are at one in their simple faith in the power of segmental division to rule all—in the dichotomy of power and morals and of money and morals.”
—Marshall McLuhan (1911–1980)