Uploaded January 2012 | Updated September 2026, 2 hours ago
Introduction on how to use left and right Riemann Sums to estimate the area under curve. In the next video I cover how to use integrals to calculate the exact area.
Introduction on how to use left and right Riemann Sums to estimate the area under curve. In the next video I cover how to use integrals to calculate the exact area.





![Improper Integrals and Convergence + Divergence [Examples]
Part 1 of 2. This video introduces Convergence and Divergence and type 1 improper integrals (infinite interval). Part 2 introduces type 2 improper integrals and the comparison test. Improper Integrals and Convergence + Divergence [Examples]](https://i.ytimg.com/vi/nJSGrUFh1Do/mqdefault.jpg)

![Matrix Multiplication on the form of Ax=B [Linear Algebra] [Part1]
How to approach a problem dealing with matrix multiplication in the form Ax=B. The second part of the question is solved in this video http://www.youtube.com/watch?v sN7t1rkdgo Matrix Multiplication on the form of Ax=B [Linear Algebra] [Part1]](https://i.ytimg.com/vi/oZHIMsYHfg0/mqdefault.jpg)
![Alternating Current Basics [Timelapse]
Timelapse for prereading of Phys 153 textbook, Modern Physics. Describes sections 31.1 to 31.3. For University of British Columbia first year physics. There is no audio do to the time compression, feel free to play your choice of dubstep in the background Alternating Current Basics [Timelapse]](https://i.ytimg.com/vi/p0Z6x-w5OL0/mqdefault.jpg)

