In this lesson, Professor John Zhu gives an introduction to the area under a curve. He defines integral and explains how you solve for the area under a curve using the left endpoint, right endpoint and midpoints. He works out several example problems.
To avoid confusion, think
physical, geometric area, rather than calculus
Area Under A Curve
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.