Limit as an integral (Riemann Sum)

Riemann sum limit. In fact, we will interpret this limit as an integral. We will see the indeterminate form of 0+0+0+... doesn't necessary approach 1. This is actually the integral of sqrt(x) from 0 to 1 and we get 2/3 for the answer. If you would like more calculus tutorials like this, then check out my just calculus channel:    / justcalculus   Click to subscribe: https://www.youtube.com/blackpenredpe... Check math t-shirts & hoodies: https://teespring.com/stores/blackpen... Patreon   / blackpenredpen   blackpenredpen