use calculus, NOT calculators (fast!)

Use calculus, NOT calculators! Here we will use a local linear approximation for sqrt(x) around x=4 to approximate sqrt(4.9). If you use a calculator, then you will see that sqrt(4.9) is about ..., which shows our approximation is very good! ------------------------------------------------------------------------------------ 👉 Subscribe here to join all future polls: 🛍 Shop math t-shirt & hoodies: 💪 Become an undefound member for only $ month & watch all my unlisted videos first: ------------------------------------------------------------------------------------ bprp #fast Batty McFaddin - Silent Film Light by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. Source: Artist: