Derivative quotient rule proof using logarithmic differentiation

Calculus tutorial on proving the quotient rule for derivatives using the logarithmic differentiation and the chain rule. This is an previous exam question from my calculus 1 class. Get the file: https://www.patreon.com/blackpenredpe... Math Shirts: https://amzn.to/3qBeuw6 #calculus #bprpcalculus #mathtutorials #math ----- This channel is dedicated to creating helpful calculus tutorials for high school and college students around the world. Thank you to these Patreon members for building this with me 3Blue1Brown • Allison Lamery • Anthony Hunting • Anyway • Ben Delo • Caoimhe Seymour • charlie lewinski • Corey Rufener • CTAR • David I Miller • Doc Ockey • exchsac • Gramps • Hayden S • huguens nevelus • jappiesaus • Jessica • Johan Renko • Karl Tang-Wang • Manil Trivedi • Mark Pagura • MarkM • Mas • Michael ZHOU • Michelle Liang • Mister Hardware • Mizel Cluett • Nerd • Nicolai Lilly • Ricardo Murillo • Rohan • SaltyFishbutwithDream • Sebastian Correa • Sharnay Ampos • Steven McEwan • Subotai Baghatur • Terry Chang • Tomaz Mevlja • Torbjörn Karlsson • Whoever • Zero • Zhansu • Matthias Beeler • bontle sjm • 博鈞 林 (Updated: October 2026   / blackpenredpen  ) -----