題組內容

4. Let f(x,y)=x2+2y2-xy.

(b) (5%) Find the directional derivative of f(x,y) at (1,-2) in the direction of [-3,4].

詳解 (共 1 筆)

Chia Chung
Chia Chung
詳解 #5947429
2023/10/16
<Solution> x單位...
(共 194 字，隱藏中）
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