View Single Post
Dick
#6
Dec13-08, 03:53 PM
Sci Advisor
HW Helper
Thanks
P: 25,246
I get f_x=2x-2x(2y^2+x^2)*exp(...) and f_y=4y-2y(2y^2+x^2)*exp(...) and you came pretty close to getting it right the first time. I don't know what you did in your last response. I get five critical points.