How to write epsilon-delta proofs for limits? (x^3 and 1/x examples)

Video Description

Here's the easy way to write epsilon-delta proofs for limits. Usually, the epsilon-delta definition is taught in college calculus 1 (or real analysis in upper-division pure math but not in AP calculus). I think it is the hardest topic in Calculus 1. Let me know what you think! Check out the Introduction to εδ definition of the limit 👉 https://youtu.be/DdtEQk_DHQs More examples of writing εδ proofs 👉 https://youtu.be/yC8Y50H6kw8 Get an epsilon-delta hoodie: 👉 https://blackpenredpen.creator-spring.com/listing/the-defintion Use "WELCOME10" for 10% off 0:00 proving the limit of x^3 as x goes to 2 5:37 proving the limit of 1/x as x goes to 2 ----------------------------- Support this channel and get my calculus notes on Patreon: 👉 https://www.patreon.com/blackpenredpen Get the coolest math shirts from my Amazon store 👉 https://amzn.to/3qBeuw6 ----------------------------- #calculus #bprpcalculus #apcalculus #tutorial #math