題目 Problem 2. (10 points): Find the maximum and minimum values of the function f(x,y,z)=x2−y2f(x,y,z)=x^2-y^2f(x,y,z)=x2−y2 on the surface x2+2y2+3z2=1x^2+2y^2+3z^2=1x2+2y2+3z2=1. 解答
