Learn the basics of Linear Algebra with this series from the Worldwide Center of Mathematics. Find more math tutoring and lecture videos on our channel or at http://centerofmath.org/
Leave a tip for good service: https://paypal.me/jjthetutor Lesson on understanding the difference of echelon form REF and RREF. Using augmented matrices, coefficient matrices and AX=b. Student Solution Manuals: https://amzn.to/2WZrFnD More help via http://jjthetutor.com Download my eBooks via http://payhip.com/jjthetutor, paperback via http://amazon.com/author/jjthetutor.