quotient rule

quotient rule, Rule for finding the derivative of a quotient of two functions. If both f and g are differentiable, then so is the quotient f(x)/g(x). In abbreviated notation, it says (f/g)′ = (gf′ − fg′)/g2.

This article was most recently revised and updated by William L. Hosch.
Citation Information
Article Title: quotient rule
Website Name: Encyclopaedia Britannica
Publisher: Encyclopaedia Britannica, Inc.
Date Published: 24 January 2025
Access Date: February 22, 2025