Approach, Don't Arrive | The Derivative #4

Plug a gap of zero into the slope formula and you get 0/0, which could be anything. The fix is a limit: approach zero, never arrive. Then the same idea settles Zeno's race and shows why 0.999… is exactly 1. CHAPTERS 0:00 Cold open 0:14 WHAT · The 0/0 problem 3:39 HOW · Limits, made precise 7:09 WHERE · Limits you already believe ▸ The Derivative, from video 1:    • The Derivative   Until It Clicks: math, physics and code, explained visually. New videos every Tuesday and Saturday. Instagram:   / untilitclicks_   TikTok:   / untilitclicks   #math #calculus #untilitclicks