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)β² = (gfβ² β fgβ²)/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:
03 March 2025
Access Date:
November 14, 2026