Looking at a few key examples of functions of two variables to get an idea of what the second derivative test for max/min/saddle should look like.
Watch video Second derivative test in 2D through examples (Part 1) online without registration, duration hours minute second in high quality. This video was added by user David Metzler 06 December 2016, don't forget to share it with your friends and acquaintances, it has been viewed on our site 213 once and liked it 5 people.