%%visits: 5 Used for calculating [[limit]]s Differentiate the numerator, differentiate the denomnatior, you end up with a limit that is equal to the original equation. ## diary :journal: I legit spammed this theorem during a lot of problem sheets and perhaps an exam. It is super quick and easy ## intuition ## rigour ## exam clinic ## resources tags :math:calculus_1:calculus_2:real_analysis: