Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! The Ratio Test , Another Example #2. Just another example of using the ratio test to determine if a series converges or diverges.
Leave a tip for good service: https://paypal.me/jjthetutor Let f(x,y)=9-x^2+xy-2y^2. Find fx(3,7) and fy(3,7) using partial derivatives 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.