問題詳情
1. Find all critical points for the function f(x, y) = x3 - y3 + 33xy and classify each as a relative maximum, arelative minimum, or a saddle point.
(A) fhas a saddle point at (11,-11) and a relative minimum at (0,0).
(B) fhas a saddle point at (0,0) and a relative maximum at (11,-11).
(C) fhas a saddle point at (0,0) and a relative minimum at (11,-11).
(D) fhas a saddle point at (11,-11) and a relative maximum at (0,0).
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增