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:
“Evil is committed without effort, naturally, fatally; goodness is always the product of some art.”
—Charles Baudelaire (1821–1867)
“I make it a kind of pious rule to go to every funeral to which I am invited, both as I wish to pay a proper respect to the dead, unless their characters have been bad, and as I would wish to have the funeral of my own near relations or of myself well attended.”
—James Boswell (1740–1795)